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BranchCommit messageAuthorAge
archive/unc-master-3.0P-FP: fix BUG_ON releated to priority inheritanceBjoern Brandenburg13 years
archived-2013.1uncachedev: mmap memory that is not cached by CPUsGlenn Elliott12 years
archived-private-masterMerge branch 'wip-2.6.34' into old-private-masterAndrea Bastoni15 years
archived-semi-partMerge branch 'wip-semi-part' of ssh://cvs/cvs/proj/litmus/repo/litmus2010 int...Andrea Bastoni15 years
demoFurther refinementsJonathan Herman14 years
ecrts-pgm-finalMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
ecrts14-pgm-finalMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
gpusync-rtss12Final GPUSync implementation.Glenn Elliott12 years
gpusync/stagingRename IKGLP R2DGLP.Glenn Elliott12 years
linux-tipMerge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/p...Linus Torvalds15 years
litmus2008-patch-seriesadd i386 feather-trace implementationBjoern B. Brandenburg16 years
masterPSN-EDF: use inferred_sporadic_job_release_atBjoern Brandenburg9 years
pgmmake it compileGlenn Elliott12 years
prop/litmus-signalsInfrastructure for Litmus signals.Glenn Elliott13 years
prop/robust-tie-breakFixed bug in edf_higher_prio().Glenn Elliott13 years
stagingFix tracepoint compilation errorFelipe Cerqueira13 years
test9/23/2016Namhoon Kim9 years
tracing-develTest kernel tracing events capabilitiesAndrea Bastoni16 years
v2.6.34-with-arm-patchessmsc911x: Add spinlocks around registers accessCatalin Marinas15 years
v2015.1Add ARM syscall def for get_current_budgetBjoern Brandenburg10 years
wip-2011.2-bbbLitmus core: simplify np-section protocolBjoern B. Brandenburg14 years
wip-2011.2-bbb-traceRefactor sched_trace_log_message() -> debug_trace_log_message()Andrea Bastoni14 years
wip-2012.3-gpuSOBLIV draining support for C-EDF.Glenn Elliott12 years
wip-2012.3-gpu-preportpick up last C-RM fileGlenn Elliott12 years
wip-2012.3-gpu-rtss13Fix critical bug in GPU tracker.Glenn Elliott12 years
wip-2012.3-gpu-sobliv-budget-w-ksharkProper sobliv draining and many bug fixes.Glenn Elliott12 years
wip-aedzl-finalMake it easier to compile AEDZL interfaces in liblitmus.Glenn Elliott15 years
wip-aedzl-revisedAdd sched_trace data for Apative EDZLGlenn Elliott15 years
wip-arbit-deadlineFix compilation bug.Glenn Elliott13 years
wip-aux-tasksDescription of refined aux task inheritance.Glenn Elliott13 years
wip-bbbGSN-EDF & Core: improve debug TRACE'ing for NP sectionsBjoern B. Brandenburg14 years
wip-bbb-prio-donuse correct timestampBjoern B. Brandenburg14 years
wip-better-breakImplement hash-based EDF tie-breaking.Glenn Elliott13 years
wip-binary-heapMake C-EDF work with simplified binheap_deleteGlenn Elliott13 years
wip-budgetAdded support for choices in budget policy enforcement.Glenn Elliott15 years
wip-colorSummarize schedulability with final recordJonathan Herman13 years
wip-color-jlhsched_color: Fixed two bugs causing crashing on experiment restart and a rare...Jonathan Herman13 years
wip-d10-hz1000Enable HZ=1000 on District 10Bjoern B. Brandenburg15 years
wip-default-clusteringFeature: Make default C-EDF clustering compile-time configurable.Glenn Elliott15 years
wip-dissipation-jericksoUpdate from 2.6.36 to 2.6.36.4Jeremy Erickson11 years
wip-dissipation2-jericksoUpdate 2.6.36 to 2.6.36.4Jeremy Erickson11 years
wip-ecrts14-pgmMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
wip-edf-hsblast tested versionJonathan Herman14 years
wip-edf-osLookup table EDF-osJeremy Erickson12 years
wip-edf-tie-breakMerge branch 'wip-edf-tie-break' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus...Glenn Elliott13 years
wip-edzl-critiqueUse hr_timer's active checks instead of having own flag.Glenn Elliott15 years
wip-edzl-finalImplementation of the EDZL scheduler.Glenn Elliott15 years
wip-edzl-revisedClean up comments.Glenn Elliott15 years
wip-eventsAdded support for tracing arbitrary actions.Jonathan Herman15 years
wip-extra-debugDBG: add additional tracingBjoern B. Brandenburg15 years
wip-fix-switch-jericksoAttempt to fix race condition with plugin switchingJeremy Erickson15 years
wip-fix3sched: show length of runqueue clock deactivation in /proc/sched_debugBjoern B. Brandenburg15 years
wip-fmlp-dequeueImprove FMLP queue management.Glenn Elliott14 years
wip-ft-irq-flagFeather-Trace: keep track of interrupt-related interference.Bjoern B. Brandenburg14 years
wip-gpu-cleanupEnable sched_trace log injection from userspaceGlenn Elliott13 years
wip-gpu-interruptsRemove option for threading of all softirqs.Glenn Elliott14 years
wip-gpu-rtas12Generalized GPU cost predictors + EWMA. (untested)Glenn Elliott13 years
wip-gpu-rtss12Final GPUSync implementation.Glenn Elliott13 years
wip-gpu-rtss12-srpexperimental changes to support GPUs under SRPGlenn Elliott13 years
wip-gpusync-mergeCleanup priority tracking for budget enforcement.Glenn Elliott11 years
wip-ikglpMove RSM and IKGLP imp. to own .c filesGlenn Elliott13 years
wip-k-fmlpMerge branch 'mpi-master' into wip-k-fmlpGlenn Elliott14 years
wip-kernel-coloringAdded recolor syscallNamhoon Kim7 years
wip-kernthreadsKludge work-queue processing into klitirqd.Glenn Elliott15 years
wip-klmirqd-to-auxAllow klmirqd threads to be given names.Glenn Elliott13 years
wip-ksharkMerge branch 'mpi-staging' into wip-ksharkJonathan Herman13 years
wip-litmus-3.2Merge commit 'v3.2' into litmus-stagingAndrea Bastoni13 years
wip-litmus2011.2Cleanup: Coding conformance for affinity stuff.Glenn Elliott14 years
wip-litmus3.0-2011.2Feather-Trace: keep track of interrupt-related interference.Bjoern B. Brandenburg14 years
wip-master-2.6.33-rtAvoid deadlock when switching task policy to BACKGROUND (ugly)Andrea Bastoni15 years
wip-mcRemoved ARM-specific hacks which disabled less common mixed-criticality featu...Jonathan Herman12 years
wip-mc-bipasaMC-EDF addedbipasa chattopadhyay13 years
wip-mc-jericksoSplit C/D queuesJeremy Erickson15 years
wip-mc2-cache-slackManually patched mc^2 related codeMing Yang10 years
wip-mcrit-maccosmeticMac Mollison15 years
wip-merge-3.0Prevent Linux to send IPI and queue tasks on remote CPUs.Andrea Bastoni14 years
wip-merge-v3.0Prevent Linux to send IPI and queue tasks on remote CPUs.Andrea Bastoni14 years
wip-migration-affinityNULL affinity dereference in C-EDF.Glenn Elliott14 years
wip-mmap-uncacheshare branch with othersGlenn Elliott13 years
wip-modechangeRTSS 2017 submissionNamhoon Kim8 years
wip-nested-lockingAppears to be working.Bryan Ward12 years
wip-omlp-gedfFirst implementation of G-OMLP.Glenn Elliott15 years
wip-paiSome cleanup of PAIGlenn Elliott14 years
wip-percore-lib9/21/2016Namhoon Kim9 years
wip-performanceCONFIG_DONT_PREEMPT_ON_TIE: Don't preeempt a scheduled task on priority tie.Glenn Elliott14 years
wip-pgmAdd PGM support to C-FLGlenn Elliott12 years
wip-pgm-splitFirst draft of C-FL-splitNamhoon Kim12 years
wip-pm-ovdAdd preemption-and-migration overhead tracing supportAndrea Bastoni15 years
wip-prio-inhP-EDF updated to use the generic pi framework.Glenn Elliott15 years
wip-prioq-dglBUG FIX: Support DGLs with PRIOQ_MUTEXGlenn Elliott13 years
wip-refactored-gedfGeneralizd architecture for GEDF-style scheduelrs to reduce code redundancy.Glenn Elliott15 years
wip-release-master-fixbugfix: release master CPU must signal task was pickedBjoern B. Brandenburg14 years
wip-robust-tie-breakEDF priority tie-breaks.Glenn Elliott13 years
wip-rt-ksharkMove task time accounting into the complete_job method.Jonathan Herman13 years
wip-rtas12-pgmScheduling of PGM jobs.Glenn Elliott13 years
wip-semi-partFix compile error with newer GCCJeremy Erickson12 years
wip-semi-part-edfos-jericksoUse initial CPU set by clientJeremy Erickson12 years
wip-shared-libTODO: Fix condition checks in replicate_page_move_mapping()Namhoon Kim9 years
wip-shared-lib2RTAS 2017 Submission ver.Namhoon Kim9 years
wip-shared-memInitial commit for shared libraryNamhoon Kim9 years
wip-splitting-jericksoFix release behaviorJeremy Erickson13 years
wip-splitting-omlp-jericksoBjoern's Dissertation Code with Priority DonationJeremy Erickson13 years
wip-stage-binheapAn efficient binary heap implementation.Glenn Elliott13 years
wip-sun-portDynamic memory allocation and clean exit for FeatherTraceChristopher Kenna15 years
wip-timer-tracebugfix: C-EDF, clear scheduled field of the correct CPU upon task_exitAndrea Bastoni15 years
wip-tracepointsAdd kernel-style events for sched_trace_XXX() functionsAndrea Bastoni14 years
 
TagDownloadAuthorAge
2015.1commit 8e51b37822...Bjoern Brandenburg10 years
2013.1commit bcaacec1ca...Glenn Elliott12 years
2012.3commit c158b5fbe4...Jonathan Herman13 years
2012.2commit b53c479a0f...Glenn Elliott13 years
2012.1commit 83b11ea1c6...Bjoern B. Brandenburg14 years
rtas12-mc-beta-expcommit 8e236ee20f...Christopher Kenna14 years
2011.1commit d11808b5c6...Christopher Kenna15 years
v2.6.37-rc4commit e8a7e48bb2...Linus Torvalds15 years
v2.6.37-rc3commit 3561d43fd2...Linus Torvalds15 years
v2.6.37-rc2commit e53beacd23...Linus Torvalds15 years
v2.6.37-rc1commit c8ddb2713c...Linus Torvalds15 years
v2.6.36commit f6f94e2ab1...Linus Torvalds15 years
2010.2commit 5c5456402d...Bjoern B. Brandenburg15 years
v2.6.36-rc8commit cd07202cc8...Linus Torvalds15 years
v2.6.36-rc7commit cb655d0f3d...Linus Torvalds15 years
v2.6.36-rc6commit 899611ee7d...Linus Torvalds15 years
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2010.1commit 7c1ff4c544...Andrea Bastoni15 years
v2.6.34commit e40152ee1e...Linus Torvalds15 years
v2.6.33.4commit 4640b4e7d9...Greg Kroah-Hartman15 years
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v2.6.15-rc3commit 624f54be20...Linus Torvalds20 years
v2.6.15-rc2commit 3bedff1d73...Linus Torvalds20 years
v2.6.15-rc1commit cd52d1ee9a...Linus Torvalds20 years
v2.6.14commit 741b2252a5...Linus Torvalds20 years
v2.6.14-rc5commit 93918e9afc...Linus Torvalds20 years
v2.6.14-rc4commit 907a426179...Linus Torvalds20 years
v2.6.14-rc3commit 1c9426e8a5...Linus Torvalds20 years
v2.6.14-rc2commit 676d55ae30...Linus Torvalds20 years
v2.6.14-rc1commit 2f4ba45a75...Linus Torvalds20 years
v2.6.13commit 02b3e4e2d7...Linus Torvalds20 years
v2.6.13-rc7commit 0572e3da3f...Linus Torvalds20 years
v2.6.13-rc6commit 6fc32179de...Linus Torvalds20 years
v2.6.13-rc5commit 9a351e30d7...Linus Torvalds20 years
v2.6.13-rc4commit 6395352334...Linus Torvalds20 years
v2.6.11tree c39ae07f39...
v2.6.11-treetree c39ae07f39...
v2.6.12commit 9ee1c939d1...
v2.6.12-rc2commit 1da177e4c3...
v2.6.12-rc3commit a2755a80f4...
v2.6.12-rc4commit 88d7bd8cb9...
v2.6.12-rc5commit 2a24ab628a...
v2.6.12-rc6commit 7cef5677ef...
v2.6.13-rc1commit 4c91aedb75...
v2.6.13-rc2commit a18bcb7450...
v2.6.13-rc3commit c32511e271...
pan class="hl opt">) { /* file is not unlinked */ reiserfs_warning(s, "vs-2185", "file %K is not unlinked", &obj_key); retval = remove_save_link_only(s, &save_link_key, 0); continue; } depth = reiserfs_write_unlock_nested(inode->i_sb); dquot_initialize(inode); reiserfs_write_lock_nested(inode->i_sb, depth); if (truncate && S_ISDIR(inode->i_mode)) { /* * We got a truncate request for a dir which * is impossible. The only imaginable way is to * execute unfinished truncate request then boot * into old kernel, remove the file and create dir * with the same key. */ reiserfs_warning(s, "green-2101", "impossible truncate on a " "directory %k. Please report", INODE_PKEY(inode)); retval = remove_save_link_only(s, &save_link_key, 0); truncate = 0; iput(inode); continue; } if (truncate) { REISERFS_I(inode)->i_flags |= i_link_saved_truncate_mask; /* * not completed truncate found. New size was * committed together with "save" link */ reiserfs_info(s, "Truncating %k to %lld ..", INODE_PKEY(inode), inode->i_size); /* don't update modification time */ reiserfs_truncate_file(inode, 0); retval = remove_save_link(inode, truncate); } else { REISERFS_I(inode)->i_flags |= i_link_saved_unlink_mask; /* not completed unlink (rmdir) found */ reiserfs_info(s, "Removing %k..", INODE_PKEY(inode)); if (memcmp(&last_inode_key, INODE_PKEY(inode), sizeof(last_inode_key))){ last_inode_key = *INODE_PKEY(inode); /* removal gets completed in iput */ retval = 0; } else { reiserfs_warning(s, "super-2189", "Dead loop " "in finish_unfinished " "detected, just remove " "save link\n"); retval = remove_save_link_only(s, &save_link_key, 0); } } iput(inode); printk("done\n"); done++; } REISERFS_SB(s)->s_is_unlinked_ok = 0; #ifdef CONFIG_QUOTA /* Turn quotas off */ reiserfs_write_unlock(s); for (i = 0; i < REISERFS_MAXQUOTAS; i++) { if (sb_dqopt(s)->files[i] && quota_enabled[i]) dquot_quota_off(s, i); } reiserfs_write_lock(s); if (ms_active_set) /* Restore the flag back */ s->s_flags &= ~MS_ACTIVE; #endif pathrelse(&path); if (done) reiserfs_info(s, "There were %d uncompleted unlinks/truncates. " "Completed\n", done); return retval; } /* * to protect file being unlinked from getting lost we "safe" link files * being unlinked. This link will be deleted in the same transaction with last * item of file. mounting the filesystem we scan all these links and remove * files which almost got lost */ void add_save_link(struct reiserfs_transaction_handle *th, struct inode *inode, int truncate) { INITIALIZE_PATH(path); int retval; struct cpu_key key; struct item_head ih; __le32 link; BUG_ON(!th->t_trans_id); /* file can only get one "save link" of each kind */ RFALSE(truncate && (REISERFS_I(inode)->i_flags & i_link_saved_truncate_mask), "saved link already exists for truncated inode %lx", (long)inode->i_ino); RFALSE(!truncate && (REISERFS_I(inode)->i_flags & i_link_saved_unlink_mask), "saved link already exists for unlinked inode %lx", (long)inode->i_ino); /* setup key of "save" link */ key.version = KEY_FORMAT_3_5; key.on_disk_key.k_dir_id = MAX_KEY_OBJECTID; key.on_disk_key.k_objectid = inode->i_ino; if (!truncate) { /* unlink, rmdir, rename */ set_cpu_key_k_offset(&key, 1 + inode->i_sb->s_blocksize); set_cpu_key_k_type(&key, TYPE_DIRECT); /* item head of "safe" link */ make_le_item_head(&ih, &key, key.version, 1 + inode->i_sb->s_blocksize, TYPE_DIRECT, 4 /*length */ , 0xffff /*free space */ ); } else { /* truncate */ if (S_ISDIR(inode->i_mode)) reiserfs_warning(inode->i_sb, "green-2102", "Adding a truncate savelink for " "a directory %k! Please report", INODE_PKEY(inode)); set_cpu_key_k_offset(&key, 1); set_cpu_key_k_type(&key, TYPE_INDIRECT); /* item head of "safe" link */ make_le_item_head(&ih, &key, key.version, 1, TYPE_INDIRECT, 4 /*length */ , 0 /*free space */ ); } key.key_length = 3; /* look for its place in the tree */ retval = search_item(inode->i_sb, &key, &path); if (retval != ITEM_NOT_FOUND) { if (retval != -ENOSPC) reiserfs_error(inode->i_sb, "vs-2100", "search_by_key (%K) returned %d", &key, retval); pathrelse(&path); return; } /* body of "save" link */ link = INODE_PKEY(inode)->k_dir_id; /* put "save" link into tree, don't charge quota to anyone */ retval = reiserfs_insert_item(th, &path, &key, &ih, NULL, (char *)&link); if (retval) { if (retval != -ENOSPC) reiserfs_error(inode->i_sb, "vs-2120", "insert_item returned %d", retval); } else { if (truncate) REISERFS_I(inode)->i_flags |= i_link_saved_truncate_mask; else REISERFS_I(inode)->i_flags |= i_link_saved_unlink_mask; } } /* this opens transaction unlike add_save_link */ int remove_save_link(struct inode *inode, int truncate) { struct reiserfs_transaction_handle th; struct reiserfs_key key; int err; /* we are going to do one balancing only */ err = journal_begin(&th, inode->i_sb, JOURNAL_PER_BALANCE_CNT); if (err) return err; /* setup key of "save" link */ key.k_dir_id = cpu_to_le32(MAX_KEY_OBJECTID); key.k_objectid = INODE_PKEY(inode)->k_objectid; if (!truncate) { /* unlink, rmdir, rename */ set_le_key_k_offset(KEY_FORMAT_3_5, &key, 1 + inode->i_sb->s_blocksize); set_le_key_k_type(KEY_FORMAT_3_5, &key, TYPE_DIRECT); } else { /* truncate */ set_le_key_k_offset(KEY_FORMAT_3_5, &key, 1); set_le_key_k_type(KEY_FORMAT_3_5, &key, TYPE_INDIRECT); } if ((truncate && (REISERFS_I(inode)->i_flags & i_link_saved_truncate_mask)) || (!truncate && (REISERFS_I(inode)->i_flags & i_link_saved_unlink_mask))) /* don't take quota bytes from anywhere */ reiserfs_delete_solid_item(&th, NULL, &key); if (!truncate) { reiserfs_release_objectid(&th, inode->i_ino); REISERFS_I(inode)->i_flags &= ~i_link_saved_unlink_mask; } else REISERFS_I(inode)->i_flags &= ~i_link_saved_truncate_mask; return journal_end(&th); } static void reiserfs_kill_sb(struct super_block *s) { if (REISERFS_SB(s)) { reiserfs_proc_info_done(s); /* * Force any pending inode evictions to occur now. Any * inodes to be removed that have extended attributes * associated with them need to clean them up before * we can release the extended attribute root dentries. * shrink_dcache_for_umount will BUG if we don't release * those before it's called so ->put_super is too late. */ shrink_dcache_sb(s); dput(REISERFS_SB(s)->xattr_root); REISERFS_SB(s)->xattr_root = NULL; dput(REISERFS_SB(s)->priv_root); REISERFS_SB(s)->priv_root = NULL; } kill_block_super(s); } static void reiserfs_put_super(struct super_block *s) { struct reiserfs_transaction_handle th; th.t_trans_id = 0; dquot_disable(s, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED); reiserfs_write_lock(s); /* * change file system state to current state if it was mounted * with read-write permissions */ if (!(s->s_flags & MS_RDONLY)) { if (!journal_begin(&th, s, 10)) { reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1); set_sb_umount_state(SB_DISK_SUPER_BLOCK(s), REISERFS_SB(s)->s_mount_state); journal_mark_dirty(&th, SB_BUFFER_WITH_SB(s)); } } /* * note, journal_release checks for readonly mount, and can * decide not to do a journal_end */ journal_release(&th, s); reiserfs_free_bitmap_cache(s); brelse(SB_BUFFER_WITH_SB(s)); print_statistics(s); if (REISERFS_SB(s)->reserved_blocks != 0) { reiserfs_warning(s, "green-2005", "reserved blocks left %d", REISERFS_SB(s)->reserved_blocks); } reiserfs_write_unlock(s); mutex_destroy(&REISERFS_SB(s)->lock); destroy_workqueue(REISERFS_SB(s)->commit_wq); kfree(s->s_fs_info); s->s_fs_info = NULL; } static struct kmem_cache *reiserfs_inode_cachep; static struct inode *reiserfs_alloc_inode(struct super_block *sb) { struct reiserfs_inode_info *ei; ei = (struct reiserfs_inode_info *) kmem_cache_alloc(reiserfs_inode_cachep, GFP_KERNEL); if (!ei) return NULL; atomic_set(&ei->openers, 0); mutex_init(&ei->tailpack); return &ei->vfs_inode; } static void reiserfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); kmem_cache_free(reiserfs_inode_cachep, REISERFS_I(inode)); } static void reiserfs_destroy_inode(struct inode *inode) { call_rcu(&inode->i_rcu, reiserfs_i_callback); } static void init_once(void *foo) { struct reiserfs_inode_info *ei = (struct reiserfs_inode_info *)foo; INIT_LIST_HEAD(&ei->i_prealloc_list); inode_init_once(&ei->vfs_inode); } static int __init init_inodecache(void) { reiserfs_inode_cachep = kmem_cache_create("reiser_inode_cache", sizeof(struct reiserfs_inode_info), 0, (SLAB_RECLAIM_ACCOUNT| SLAB_MEM_SPREAD), init_once); if (reiserfs_inode_cachep == NULL) return -ENOMEM; return 0; } static void destroy_inodecache(void) { /* * Make sure all delayed rcu free inodes are flushed before we * destroy cache. */ rcu_barrier(); kmem_cache_destroy(reiserfs_inode_cachep); } /* we don't mark inodes dirty, we just log them */ static void reiserfs_dirty_inode(struct inode *inode, int flags) { struct reiserfs_transaction_handle th; int err = 0; if (inode->i_sb->s_flags & MS_RDONLY) { reiserfs_warning(inode->i_sb, "clm-6006", "writing inode %lu on readonly FS", inode->i_ino); return; } reiserfs_write_lock(inode->i_sb); /* * this is really only used for atime updates, so they don't have * to be included in O_SYNC or fsync */ err = journal_begin(&th, inode->i_sb, 1); if (err) goto out; reiserfs_update_sd(&th, inode); journal_end(&th); out: reiserfs_write_unlock(inode->i_sb); } static int reiserfs_show_options(struct seq_file *seq, struct dentry *root) { struct super_block *s = root->d_sb; struct reiserfs_journal *journal = SB_JOURNAL(s); long opts = REISERFS_SB(s)->s_mount_opt; if (opts & (1 << REISERFS_LARGETAIL)) seq_puts(seq, ",tails=on"); else if (!(opts & (1 << REISERFS_SMALLTAIL))) seq_puts(seq, ",notail"); /* tails=small is default so we don't show it */ if (!(opts & (1 << REISERFS_BARRIER_FLUSH))) seq_puts(seq, ",barrier=none"); /* barrier=flush is default so we don't show it */ if (opts & (1 << REISERFS_ERROR_CONTINUE)) seq_puts(seq, ",errors=continue"); else if (opts & (1 << REISERFS_ERROR_PANIC)) seq_puts(seq, ",errors=panic"); /* errors=ro is default so we don't show it */ if (opts & (1 << REISERFS_DATA_LOG)) seq_puts(seq, ",data=journal"); else if (opts & (1 << REISERFS_DATA_WRITEBACK)) seq_puts(seq, ",data=writeback"); /* data=ordered is default so we don't show it */ if (opts & (1 << REISERFS_ATTRS)) seq_puts(seq, ",attrs"); if (opts & (1 << REISERFS_XATTRS_USER)) seq_puts(seq, ",user_xattr"); if (opts & (1 << REISERFS_EXPOSE_PRIVROOT)) seq_puts(seq, ",expose_privroot"); if (opts & (1 << REISERFS_POSIXACL)) seq_puts(seq, ",acl"); if (REISERFS_SB(s)->s_jdev) seq_printf(seq, ",jdev=%s", REISERFS_SB(s)->s_jdev); if (journal->j_max_commit_age != journal->j_default_max_commit_age) seq_printf(seq, ",commit=%d", journal->j_max_commit_age); #ifdef CONFIG_QUOTA if (REISERFS_SB(s)->s_qf_names[USRQUOTA]) seq_printf(seq, ",usrjquota=%s", REISERFS_SB(s)->s_qf_names[USRQUOTA]); else if (opts & (1 << REISERFS_USRQUOTA)) seq_puts(seq, ",usrquota"); if (REISERFS_SB(s)->s_qf_names[GRPQUOTA]) seq_printf(seq, ",grpjquota=%s", REISERFS_SB(s)->s_qf_names[GRPQUOTA]); else if (opts & (1 << REISERFS_GRPQUOTA)) seq_puts(seq, ",grpquota"); if (REISERFS_SB(s)->s_jquota_fmt) { if (REISERFS_SB(s)->s_jquota_fmt == QFMT_VFS_OLD) seq_puts(seq, ",jqfmt=vfsold"); else if (REISERFS_SB(s)->s_jquota_fmt == QFMT_VFS_V0) seq_puts(seq, ",jqfmt=vfsv0"); } #endif /* Block allocator options */ if (opts & (1 << REISERFS_NO_BORDER)) seq_puts(seq, ",block-allocator=noborder"); if (opts & (1 << REISERFS_NO_UNHASHED_RELOCATION)) seq_puts(seq, ",block-allocator=no_unhashed_relocation"); if (opts & (1 << REISERFS_HASHED_RELOCATION)) seq_puts(seq, ",block-allocator=hashed_relocation"); if (opts & (1 << REISERFS_TEST4)) seq_puts(seq, ",block-allocator=test4"); show_alloc_options(seq, s); return 0; } #ifdef CONFIG_QUOTA static ssize_t reiserfs_quota_write(struct super_block *, int, const char *, size_t, loff_t); static ssize_t reiserfs_quota_read(struct super_block *, int, char *, size_t, loff_t); #endif static const struct super_operations reiserfs_sops = { .alloc_inode = reiserfs_alloc_inode, .destroy_inode = reiserfs_destroy_inode, .write_inode = reiserfs_write_inode, .dirty_inode = reiserfs_dirty_inode, .evict_inode = reiserfs_evict_inode, .put_super = reiserfs_put_super, .sync_fs = reiserfs_sync_fs, .freeze_fs = reiserfs_freeze, .unfreeze_fs = reiserfs_unfreeze, .statfs = reiserfs_statfs, .remount_fs = reiserfs_remount, .show_options = reiserfs_show_options, #ifdef CONFIG_QUOTA .quota_read = reiserfs_quota_read, .quota_write = reiserfs_quota_write, #endif }; #ifdef CONFIG_QUOTA #define QTYPE2NAME(t) ((t)==USRQUOTA?"user":"group") static int reiserfs_write_dquot(struct dquot *); static int reiserfs_acquire_dquot(struct dquot *); static int reiserfs_release_dquot(struct dquot *); static int reiserfs_mark_dquot_dirty(struct dquot *); static int reiserfs_write_info(struct super_block *, int); static int reiserfs_quota_on(struct super_block *, int, int, struct path *); static const struct dquot_operations reiserfs_quota_operations = { .write_dquot = reiserfs_write_dquot, .acquire_dquot = reiserfs_acquire_dquot, .release_dquot = reiserfs_release_dquot, .mark_dirty = reiserfs_mark_dquot_dirty, .write_info = reiserfs_write_info, .alloc_dquot = dquot_alloc, .destroy_dquot = dquot_destroy, }; static const struct quotactl_ops reiserfs_qctl_operations = { .quota_on = reiserfs_quota_on, .quota_off = dquot_quota_off, .quota_sync = dquot_quota_sync, .get_info = dquot_get_dqinfo, .set_info = dquot_set_dqinfo, .get_dqblk = dquot_get_dqblk, .set_dqblk = dquot_set_dqblk, }; #endif static const struct export_operations reiserfs_export_ops = { .encode_fh = reiserfs_encode_fh, .fh_to_dentry = reiserfs_fh_to_dentry, .fh_to_parent = reiserfs_fh_to_parent, .get_parent = reiserfs_get_parent, }; /* * this struct is used in reiserfs_getopt () for containing the value for * those mount options that have values rather than being toggles. */ typedef struct { char *value; /* * bitmask which is to set on mount_options bitmask * when this value is found, 0 is no bits are to be changed. */ int setmask; /* * bitmask which is to clear on mount_options bitmask * when this value is found, 0 is no bits are to be changed. * This is applied BEFORE setmask */ int clrmask; } arg_desc_t; /* Set this bit in arg_required to allow empty arguments */ #define REISERFS_OPT_ALLOWEMPTY 31 /* * this struct is used in reiserfs_getopt() for describing the * set of reiserfs mount options */ typedef struct { char *option_name; /* 0 if argument is not required, not 0 otherwise */ int arg_required; /* list of values accepted by an option */ const arg_desc_t *values; /* * bitmask which is to set on mount_options bitmask * when this value is found, 0 is no bits are to be changed. */ int setmask; /* * bitmask which is to clear on mount_options bitmask * when this value is found, 0 is no bits are to be changed. * This is applied BEFORE setmask */ int clrmask; } opt_desc_t; /* possible values for -o data= */ static const arg_desc_t logging_mode[] = { {"ordered", 1 << REISERFS_DATA_ORDERED, (1 << REISERFS_DATA_LOG | 1 << REISERFS_DATA_WRITEBACK)}, {"journal", 1 << REISERFS_DATA_LOG, (1 << REISERFS_DATA_ORDERED | 1 << REISERFS_DATA_WRITEBACK)}, {"writeback", 1 << REISERFS_DATA_WRITEBACK, (1 << REISERFS_DATA_ORDERED | 1 << REISERFS_DATA_LOG)}, {.value = NULL} }; /* possible values for -o barrier= */ static const arg_desc_t barrier_mode[] = { {"none", 1 << REISERFS_BARRIER_NONE, 1 << REISERFS_BARRIER_FLUSH}, {"flush", 1 << REISERFS_BARRIER_FLUSH, 1 << REISERFS_BARRIER_NONE}, {.value = NULL} }; /* * possible values for "-o block-allocator=" and bits which are to be set in * s_mount_opt of reiserfs specific part of in-core super block */ static const arg_desc_t balloc[] = { {"noborder", 1 << REISERFS_NO_BORDER, 0}, {"border", 0, 1 << REISERFS_NO_BORDER}, {"no_unhashed_relocation", 1 << REISERFS_NO_UNHASHED_RELOCATION, 0}, {"hashed_relocation", 1 << REISERFS_HASHED_RELOCATION, 0}, {"test4", 1 << REISERFS_TEST4, 0}, {"notest4", 0, 1 << REISERFS_TEST4}, {NULL, 0, 0} }; static const arg_desc_t tails[] = { {"on", 1 << REISERFS_LARGETAIL, 1 << REISERFS_SMALLTAIL}, {"off", 0, (1 << REISERFS_LARGETAIL) | (1 << REISERFS_SMALLTAIL)}, {"small", 1 << REISERFS_SMALLTAIL, 1 << REISERFS_LARGETAIL}, {NULL, 0, 0} }; static const arg_desc_t error_actions[] = { {"panic", 1 << REISERFS_ERROR_PANIC, (1 << REISERFS_ERROR_RO | 1 << REISERFS_ERROR_CONTINUE)}, {"ro-remount", 1 << REISERFS_ERROR_RO, (1 << REISERFS_ERROR_PANIC | 1 << REISERFS_ERROR_CONTINUE)}, #ifdef REISERFS_JOURNAL_ERROR_ALLOWS_NO_LOG {"continue", 1 << REISERFS_ERROR_CONTINUE, (1 << REISERFS_ERROR_PANIC | 1 << REISERFS_ERROR_RO)}, #endif {NULL, 0, 0}, }; /* * proceed only one option from a list *cur - string containing of mount * options * opts - array of options which are accepted * opt_arg - if option is found and requires an argument and if it is specifed * in the input - pointer to the argument is stored here * bit_flags - if option requires to set a certain bit - it is set here * return -1 if unknown option is found, opt->arg_required otherwise */ static int reiserfs_getopt(struct super_block *s, char **cur, opt_desc_t * opts, char **opt_arg, unsigned long *bit_flags) { char *p; /* * foo=bar, * ^ ^ ^ * | | +-- option_end * | +-- arg_start * +-- option_start */ const opt_desc_t *opt; const arg_desc_t *arg; p = *cur; /* assume argument cannot contain commas */ *cur = strchr(p, ','); if (*cur) { *(*cur) = '\0'; (*cur)++; } if (!strncmp(p, "alloc=", 6)) { /* * Ugly special case, probably we should redo options * parser so that it can understand several arguments for * some options, also so that it can fill several bitfields * with option values. */ if (reiserfs_parse_alloc_options(s, p + 6)) { return -1; } else { return 0; } } /* for every option in the list */ for (opt = opts; opt->option_name; opt++) { if (!strncmp(p, opt->option_name, strlen(opt->option_name))) { if (bit_flags) { if (opt->clrmask == (1 << REISERFS_UNSUPPORTED_OPT)) reiserfs_warning(s, "super-6500", "%s not supported.\n", p); else *bit_flags &= ~opt->clrmask; if (opt->setmask == (1 << REISERFS_UNSUPPORTED_OPT)) reiserfs_warning(s, "super-6501", "%s not supported.\n", p); else *bit_flags |= opt->setmask; } break; } } if (!opt->option_name) { reiserfs_warning(s, "super-6502", "unknown mount option \"%s\"", p); return -1; } p += strlen(opt->option_name); switch (*p) { case '=': if (!opt->arg_required) { reiserfs_warning(s, "super-6503", "the option \"%s\" does not " "require an argument\n", opt->option_name); return -1; } break; case 0: if (opt->arg_required) { reiserfs_warning(s, "super-6504", "the option \"%s\" requires an " "argument\n", opt->option_name); return -1; } break; default: reiserfs_warning(s, "super-6505", "head of option \"%s\" is only correct\n", opt->option_name); return -1; } /* * move to the argument, or to next option if argument is not * required */ p++; if (opt->arg_required && !(opt->arg_required & (1 << REISERFS_OPT_ALLOWEMPTY)) && !strlen(p)) { /* this catches "option=," if not allowed */ reiserfs_warning(s, "super-6506", "empty argument for \"%s\"\n", opt->option_name); return -1; } if (!opt->values) { /* *=NULLopt_arg contains pointer to argument */ *opt_arg = p; return opt->arg_required & ~(1 << REISERFS_OPT_ALLOWEMPTY); } /* values possible for this option are listed in opt->values */ for (arg = opt->values; arg->value; arg++) { if (!strcmp(p, arg->value)) { if (bit_flags) { *bit_flags &= ~arg->clrmask; *bit_flags |= arg->setmask; } return opt->arg_required; } } reiserfs_warning(s, "super-6506", "bad value \"%s\" for option \"%s\"\n", p, opt->option_name); return -1; } /* returns 0 if something is wrong in option string, 1 - otherwise */ static int reiserfs_parse_options(struct super_block *s, /* string given via mount's -o */ char *options, /* * after the parsing phase, contains the * collection of bitflags defining what * mount options were selected. */ unsigned long *mount_options, /* strtol-ed from NNN of resize=NNN */ unsigned long *blocks, char **jdev_name, unsigned int *commit_max_age, char **qf_names, unsigned int *qfmt) { int c; char *arg = NULL; char *pos; opt_desc_t opts[] = { /* * Compatibility stuff, so that -o notail for old * setups still work */ {"tails",.arg_required = 't',.values = tails}, {"notail",.clrmask = (1 << REISERFS_LARGETAIL) | (1 << REISERFS_SMALLTAIL)}, {"conv",.setmask = 1 << REISERFS_CONVERT}, {"attrs",.setmask = 1 << REISERFS_ATTRS}, {"noattrs",.clrmask = 1 << REISERFS_ATTRS}, {"expose_privroot", .setmask = 1 << REISERFS_EXPOSE_PRIVROOT}, #ifdef CONFIG_REISERFS_FS_XATTR {"user_xattr",.setmask = 1 << REISERFS_XATTRS_USER}, {"nouser_xattr",.clrmask = 1 << REISERFS_XATTRS_USER}, #else {"user_xattr",.setmask = 1 << REISERFS_UNSUPPORTED_OPT}, {"nouser_xattr",.clrmask = 1 << REISERFS_UNSUPPORTED_OPT}, #endif #ifdef CONFIG_REISERFS_FS_POSIX_ACL {"acl",.setmask = 1 << REISERFS_POSIXACL}, {"noacl",.clrmask = 1 << REISERFS_POSIXACL}, #else {"acl",.setmask = 1 << REISERFS_UNSUPPORTED_OPT}, {"noacl",.clrmask = 1 << REISERFS_UNSUPPORTED_OPT}, #endif {.option_name = "nolog"}, {"replayonly",.setmask = 1 << REPLAYONLY}, {"block-allocator",.arg_required = 'a',.values = balloc}, {"data",.arg_required = 'd',.values = logging_mode}, {"barrier",.arg_required = 'b',.values = barrier_mode}, {"resize",.arg_required = 'r',.values = NULL}, {"jdev",.arg_required = 'j',.values = NULL}, {"nolargeio",.arg_required = 'w',.values = NULL}, {"commit",.arg_required = 'c',.values = NULL}, {"usrquota",.setmask = 1 << REISERFS_USRQUOTA}, {"grpquota",.setmask = 1 << REISERFS_GRPQUOTA}, {"noquota",.clrmask = 1 << REISERFS_USRQUOTA | 1 << REISERFS_GRPQUOTA}, {"errors",.arg_required = 'e',.values = error_actions}, {"usrjquota",.arg_required = 'u' | (1 << REISERFS_OPT_ALLOWEMPTY),.values = NULL}, {"grpjquota",.arg_required = 'g' | (1 << REISERFS_OPT_ALLOWEMPTY),.values = NULL}, {"jqfmt",.arg_required = 'f',.values = NULL}, {.option_name = NULL} }; *blocks = 0;