Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (40 commits)
  ext4: Make fsync sync new parent directories in no-journal mode
  ext4: Drop whitespace at end of lines
  ext4: Fix compat EXT4_IOC_ADD_GROUP
  ext4: Conditionally define compat ioctl numbers
  tracing: Convert more ext4 events to DEFINE_EVENT
  ext4: Add new tracepoints to track mballoc's buddy bitmap loads
  ext4: Add a missing trace hook
  ext4: restart ext4_ext_remove_space() after transaction restart
  ext4: Clear the EXT4_EOFBLOCKS_FL flag only when warranted
  ext4: Avoid crashing on NULL ptr dereference on a filesystem error
  ext4: Use bitops to read/modify i_flags in struct ext4_inode_info
  ext4: Convert calls of ext4_error() to EXT4_ERROR_INODE()
  ext4: Convert callers of ext4_get_blocks() to use ext4_map_blocks()
  ext4: Add new abstraction ext4_map_blocks() underneath ext4_get_blocks()
  ext4: Use our own write_cache_pages()
  ext4: Show journal_checksum option
  ext4: Fix for ext4_mb_collect_stats()
  ext4: check for a good block group before loading buddy pages
  ext4: Prevent creation of files larger than RLIMIT_FSIZE using fallocate
  ext4: Remove extraneous newlines in ext4_msg() calls
  ...

Fixed up trivial conflict in fs/ext4/fsync.c

2 files changed, 76 insertions, 55 deletions

diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 370abb1e99cb..e38ae53f3529 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -9,6 +9,10 @@
 
 #include <linux/fs.h>
 
+#define DQUOT_SPACE_WARN        0x1
+#define DQUOT_SPACE_RESERVE     0x2
+#define DQUOT_SPACE_NOFAIL      0x4
+
 static inline struct quota_info *sb_dqopt(struct super_block *sb)
 {
         return &sb->s_dquot;
@@ -41,9 +45,8 @@ int dquot_scan_active(struct super_block *sb,
 struct dquot *dquot_alloc(struct super_block *sb, int type);
 void dquot_destroy(struct dquot *dquot);
 
-int __dquot_alloc_space(struct inode *inode, qsize_t number,
-                int warn, int reserve);
-void __dquot_free_space(struct inode *inode, qsize_t number, int reserve);
+int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags);
+void __dquot_free_space(struct inode *inode, qsize_t number, int flags);
 
 int dquot_alloc_inode(const struct inode *inode);
 
@@ -242,17 +245,17 @@ static inline int dquot_transfer(struct inode *inode, struct iattr *iattr)
 }
 
 static inline int __dquot_alloc_space(struct inode *inode, qsize_t number,
-                int warn, int reserve)
+                int flags)
 {
-        if (!reserve)
+        if (!(flags & DQUOT_SPACE_RESERVE))
                 inode_add_bytes(inode, number);
         return 0;
 }
 
 static inline void __dquot_free_space(struct inode *inode, qsize_t number,
-                int reserve)
+                int flags)
 {
-        if (!reserve)
+        if (!(flags & DQUOT_SPACE_RESERVE))
                 inode_sub_bytes(inode, number);
 }
 
@@ -268,7 +271,13 @@ static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
 
 static inline int dquot_alloc_space_nodirty(struct inode *inode, qsize_t nr)
 {
-        return __dquot_alloc_space(inode, nr, 1, 0);
+        return __dquot_alloc_space(inode, nr, DQUOT_SPACE_WARN);
+}
+
+static inline void dquot_alloc_space_nofail(struct inode *inode, qsize_t nr)
+{
+        __dquot_alloc_space(inode, nr, DQUOT_SPACE_WARN|DQUOT_SPACE_NOFAIL);
+        mark_inode_dirty(inode);
 }
 
 static inline int dquot_alloc_space(struct inode *inode, qsize_t nr)
@@ -286,6 +295,11 @@ static inline int dquot_alloc_block_nodirty(struct inode *inode, qsize_t nr)
         return dquot_alloc_space_nodirty(inode, nr << inode->i_blkbits);
 }
 
+static inline void dquot_alloc_block_nofail(struct inode *inode, qsize_t nr)
+{
+        dquot_alloc_space_nofail(inode, nr << inode->i_blkbits);
+}
+
 static inline int dquot_alloc_block(struct inode *inode, qsize_t nr)
 {
         return dquot_alloc_space(inode, nr << inode->i_blkbits);
@@ -293,7 +307,7 @@ static inline int dquot_alloc_block(struct inode *inode, qsize_t nr)
 
 static inline int dquot_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
 {
-        return __dquot_alloc_space(inode, nr << inode->i_blkbits, 0, 0);
+        return __dquot_alloc_space(inode, nr << inode->i_blkbits, 0);
 }
 
 static inline int dquot_prealloc_block(struct inode *inode, qsize_t nr)
@@ -308,7 +322,8 @@ static inline int dquot_prealloc_block(struct inode *inode, qsize_t nr)
 
 static inline int dquot_reserve_block(struct inode *inode, qsize_t nr)
 {
-        return __dquot_alloc_space(inode, nr << inode->i_blkbits, 1, 1);
+        return __dquot_alloc_space(inode, nr << inode->i_blkbits,
+                                DQUOT_SPACE_WARN|DQUOT_SPACE_RESERVE);
 }
 
 static inline int dquot_claim_block(struct inode *inode, qsize_t nr)
@@ -345,7 +360,7 @@ static inline void dquot_free_block(struct inode *inode, qsize_t nr)
 static inline void dquot_release_reservation_block(struct inode *inode,
                 qsize_t nr)
 {
-        __dquot_free_space(inode, nr << inode->i_blkbits, 1);
+        __dquot_free_space(inode, nr << inode->i_blkbits, DQUOT_SPACE_RESERVE);
 }
 
 #endif /* _LINUX_QUOTAOPS_ */
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 2aa6aa3e8f61..5d60ad4ebf78 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -353,7 +353,7 @@ TRACE_EVENT(ext4_discard_blocks,
                   jbd2_dev_to_name(__entry->dev), __entry->blk, __entry->count)
 );
 
-TRACE_EVENT(ext4_mb_new_inode_pa,
+DECLARE_EVENT_CLASS(ext4__mb_new_pa,
         TP_PROTO(struct ext4_allocation_context *ac,
                  struct ext4_prealloc_space *pa),
 
@@ -381,32 +381,20 @@ TRACE_EVENT(ext4_mb_new_inode_pa,
                   __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart)
 );
 
-TRACE_EVENT(ext4_mb_new_group_pa,
+DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_inode_pa,
+
         TP_PROTO(struct ext4_allocation_context *ac,
                  struct ext4_prealloc_space *pa),
 
-        TP_ARGS(ac, pa),
-
-        TP_STRUCT__entry(
-                __field(        dev_t,  dev                     )
-                __field(        ino_t,  ino                     )
-                __field(        __u64,  pa_pstart               )
-                __field(        __u32,  pa_len                  )
-                __field(        __u64,  pa_lstart               )
+        TP_ARGS(ac, pa)
+);
 
-        ),
+DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_group_pa,
 
-        TP_fast_assign(
-                __entry->dev            = ac->ac_sb->s_dev;
-                __entry->ino            = ac->ac_inode->i_ino;
-                __entry->pa_pstart      = pa->pa_pstart;
-                __entry->pa_len         = pa->pa_len;
-                __entry->pa_lstart      = pa->pa_lstart;
-        ),
+        TP_PROTO(struct ext4_allocation_context *ac,
+                 struct ext4_prealloc_space *pa),
 
-        TP_printk("dev %s ino %lu pstart %llu len %u lstart %llu",
-                  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
-                  __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart)
+        TP_ARGS(ac, pa)
 );
 
 TRACE_EVENT(ext4_mb_release_inode_pa,
@@ -790,7 +778,7 @@ TRACE_EVENT(ext4_mballoc_prealloc,
                   __entry->result_len, __entry->result_logical)
 );
 
-TRACE_EVENT(ext4_mballoc_discard,
+DECLARE_EVENT_CLASS(ext4__mballoc,
         TP_PROTO(struct ext4_allocation_context *ac),
 
         TP_ARGS(ac),
@@ -819,33 +807,18 @@ TRACE_EVENT(ext4_mballoc_discard,
                   __entry->result_len, __entry->result_logical)
 );
 
-TRACE_EVENT(ext4_mballoc_free,
+DEFINE_EVENT(ext4__mballoc, ext4_mballoc_discard,
+
         TP_PROTO(struct ext4_allocation_context *ac),
 
-        TP_ARGS(ac),
+        TP_ARGS(ac)
+);
 
-        TP_STRUCT__entry(
-                __field(        dev_t,  dev                     )
-                __field(        ino_t,  ino                     )
-                __field(        __u32,  result_logical          )
-                __field(          int,  result_start            )
-                __field(        __u32,  result_group            )
-                __field(          int,  result_len              )
-        ),
+DEFINE_EVENT(ext4__mballoc, ext4_mballoc_free,
 
-        TP_fast_assign(
-                __entry->dev            = ac->ac_inode->i_sb->s_dev;
-                __entry->ino            = ac->ac_inode->i_ino;
-                __entry->result_logical = ac->ac_b_ex.fe_logical;
-                __entry->result_start   = ac->ac_b_ex.fe_start;
-                __entry->result_group   = ac->ac_b_ex.fe_group;
-                __entry->result_len     = ac->ac_b_ex.fe_len;
-        ),
+        TP_PROTO(struct ext4_allocation_context *ac),
 
-        TP_printk("dev %s inode %lu extent %u/%d/%u@%u ",
-                  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
-                  __entry->result_group, __entry->result_start,
-                  __entry->result_len, __entry->result_logical)
+        TP_ARGS(ac)
 );
 
 TRACE_EVENT(ext4_forget,
@@ -974,6 +947,39 @@ TRACE_EVENT(ext4_da_release_space,
                   __entry->reserved_meta_blocks, __entry->allocated_meta_blocks)
 );
 
+DECLARE_EVENT_CLASS(ext4__bitmap_load,
+        TP_PROTO(struct super_block *sb, unsigned long group),
+
+        TP_ARGS(sb, group),
+
+        TP_STRUCT__entry(
+                __field(        dev_t,  dev                     )
+                __field(        __u32,  group                   )
+
+        ),
+
+        TP_fast_assign(
+                __entry->dev    = sb->s_dev;
+                __entry->group  = group;
+        ),
+
+        TP_printk("dev %s group %u",
+                  jbd2_dev_to_name(__entry->dev), __entry->group)
+);
+
+DEFINE_EVENT(ext4__bitmap_load, ext4_mb_bitmap_load,
+
+        TP_PROTO(struct super_block *sb, unsigned long group),
+
+        TP_ARGS(sb, group)
+);
+
+DEFINE_EVENT(ext4__bitmap_load, ext4_mb_buddy_bitmap_load,
+
+        TP_PROTO(struct super_block *sb, unsigned long group),
+
+        TP_ARGS(sb, group)
+);
 
 #endif /* _TRACE_EXT4_H */