diff options
Diffstat (limited to 'fs/ext4/super.c')
-rw-r--r-- | fs/ext4/super.c | 50 |
1 files changed, 17 insertions, 33 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index ceebaf853beb..e1fb1d5de58e 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c | |||
@@ -1305,20 +1305,20 @@ static int set_qf_name(struct super_block *sb, int qtype, substring_t *args) | |||
1305 | ext4_msg(sb, KERN_ERR, | 1305 | ext4_msg(sb, KERN_ERR, |
1306 | "Cannot change journaled " | 1306 | "Cannot change journaled " |
1307 | "quota options when quota turned on"); | 1307 | "quota options when quota turned on"); |
1308 | return 0; | 1308 | return -1; |
1309 | } | 1309 | } |
1310 | qname = match_strdup(args); | 1310 | qname = match_strdup(args); |
1311 | if (!qname) { | 1311 | if (!qname) { |
1312 | ext4_msg(sb, KERN_ERR, | 1312 | ext4_msg(sb, KERN_ERR, |
1313 | "Not enough memory for storing quotafile name"); | 1313 | "Not enough memory for storing quotafile name"); |
1314 | return 0; | 1314 | return -1; |
1315 | } | 1315 | } |
1316 | if (sbi->s_qf_names[qtype] && | 1316 | if (sbi->s_qf_names[qtype] && |
1317 | strcmp(sbi->s_qf_names[qtype], qname)) { | 1317 | strcmp(sbi->s_qf_names[qtype], qname)) { |
1318 | ext4_msg(sb, KERN_ERR, | 1318 | ext4_msg(sb, KERN_ERR, |
1319 | "%s quota file already specified", QTYPE2NAME(qtype)); | 1319 | "%s quota file already specified", QTYPE2NAME(qtype)); |
1320 | kfree(qname); | 1320 | kfree(qname); |
1321 | return 0; | 1321 | return -1; |
1322 | } | 1322 | } |
1323 | sbi->s_qf_names[qtype] = qname; | 1323 | sbi->s_qf_names[qtype] = qname; |
1324 | if (strchr(sbi->s_qf_names[qtype], '/')) { | 1324 | if (strchr(sbi->s_qf_names[qtype], '/')) { |
@@ -1326,7 +1326,7 @@ static int set_qf_name(struct super_block *sb, int qtype, substring_t *args) | |||
1326 | "quotafile must be on filesystem root"); | 1326 | "quotafile must be on filesystem root"); |
1327 | kfree(sbi->s_qf_names[qtype]); | 1327 | kfree(sbi->s_qf_names[qtype]); |
1328 | sbi->s_qf_names[qtype] = NULL; | 1328 | sbi->s_qf_names[qtype] = NULL; |
1329 | return 0; | 1329 | return -1; |
1330 | } | 1330 | } |
1331 | set_opt(sb, QUOTA); | 1331 | set_opt(sb, QUOTA); |
1332 | return 1; | 1332 | return 1; |
@@ -1341,7 +1341,7 @@ static int clear_qf_name(struct super_block *sb, int qtype) | |||
1341 | sbi->s_qf_names[qtype]) { | 1341 | sbi->s_qf_names[qtype]) { |
1342 | ext4_msg(sb, KERN_ERR, "Cannot change journaled quota options" | 1342 | ext4_msg(sb, KERN_ERR, "Cannot change journaled quota options" |
1343 | " when quota turned on"); | 1343 | " when quota turned on"); |
1344 | return 0; | 1344 | return -1; |
1345 | } | 1345 | } |
1346 | /* | 1346 | /* |
1347 | * The space will be released later when all options are confirmed | 1347 | * The space will be released later when all options are confirmed |
@@ -1450,6 +1450,16 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token, | |||
1450 | const struct mount_opts *m; | 1450 | const struct mount_opts *m; |
1451 | int arg = 0; | 1451 | int arg = 0; |
1452 | 1452 | ||
1453 | #ifdef CONFIG_QUOTA | ||
1454 | if (token == Opt_usrjquota) | ||
1455 | return set_qf_name(sb, USRQUOTA, &args[0]); | ||
1456 | else if (token == Opt_grpjquota) | ||
1457 | return set_qf_name(sb, GRPQUOTA, &args[0]); | ||
1458 | else if (token == Opt_offusrjquota) | ||
1459 | return clear_qf_name(sb, USRQUOTA); | ||
1460 | else if (token == Opt_offgrpjquota) | ||
1461 | return clear_qf_name(sb, GRPQUOTA); | ||
1462 | #endif | ||
1453 | if (args->from && match_int(args, &arg)) | 1463 | if (args->from && match_int(args, &arg)) |
1454 | return -1; | 1464 | return -1; |
1455 | switch (token) { | 1465 | switch (token) { |
@@ -1549,18 +1559,6 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token, | |||
1549 | sbi->s_mount_opt |= m->mount_opt; | 1559 | sbi->s_mount_opt |= m->mount_opt; |
1550 | } | 1560 | } |
1551 | #ifdef CONFIG_QUOTA | 1561 | #ifdef CONFIG_QUOTA |
1552 | } else if (token == Opt_usrjquota) { | ||
1553 | if (!set_qf_name(sb, USRQUOTA, &args[0])) | ||
1554 | return -1; | ||
1555 | } else if (token == Opt_grpjquota) { | ||
1556 | if (!set_qf_name(sb, GRPQUOTA, &args[0])) | ||
1557 | return -1; | ||
1558 | } else if (token == Opt_offusrjquota) { | ||
1559 | if (!clear_qf_name(sb, USRQUOTA)) | ||
1560 | return -1; | ||
1561 | } else if (token == Opt_offgrpjquota) { | ||
1562 | if (!clear_qf_name(sb, GRPQUOTA)) | ||
1563 | return -1; | ||
1564 | } else if (m->flags & MOPT_QFMT) { | 1562 | } else if (m->flags & MOPT_QFMT) { |
1565 | if (sb_any_quota_loaded(sb) && | 1563 | if (sb_any_quota_loaded(sb) && |
1566 | sbi->s_jquota_fmt != m->mount_opt) { | 1564 | sbi->s_jquota_fmt != m->mount_opt) { |
@@ -1599,7 +1597,9 @@ static int parse_options(char *options, struct super_block *sb, | |||
1599 | unsigned int *journal_ioprio, | 1597 | unsigned int *journal_ioprio, |
1600 | int is_remount) | 1598 | int is_remount) |
1601 | { | 1599 | { |
1600 | #ifdef CONFIG_QUOTA | ||
1602 | struct ext4_sb_info *sbi = EXT4_SB(sb); | 1601 | struct ext4_sb_info *sbi = EXT4_SB(sb); |
1602 | #endif | ||
1603 | char *p; | 1603 | char *p; |
1604 | substring_t args[MAX_OPT_ARGS]; | 1604 | substring_t args[MAX_OPT_ARGS]; |
1605 | int token; | 1605 | int token; |
@@ -2366,18 +2366,6 @@ static ssize_t lifetime_write_kbytes_show(struct ext4_attr *a, | |||
2366 | EXT4_SB(sb)->s_sectors_written_start) >> 1))); | 2366 | EXT4_SB(sb)->s_sectors_written_start) >> 1))); |
2367 | } | 2367 | } |
2368 | 2368 | ||
2369 | static ssize_t extent_cache_hits_show(struct ext4_attr *a, | ||
2370 | struct ext4_sb_info *sbi, char *buf) | ||
2371 | { | ||
2372 | return snprintf(buf, PAGE_SIZE, "%lu\n", sbi->extent_cache_hits); | ||
2373 | } | ||
2374 | |||
2375 | static ssize_t extent_cache_misses_show(struct ext4_attr *a, | ||
2376 | struct ext4_sb_info *sbi, char *buf) | ||
2377 | { | ||
2378 | return snprintf(buf, PAGE_SIZE, "%lu\n", sbi->extent_cache_misses); | ||
2379 | } | ||
2380 | |||
2381 | static ssize_t inode_readahead_blks_store(struct ext4_attr *a, | 2369 | static ssize_t inode_readahead_blks_store(struct ext4_attr *a, |
2382 | struct ext4_sb_info *sbi, | 2370 | struct ext4_sb_info *sbi, |
2383 | const char *buf, size_t count) | 2371 | const char *buf, size_t count) |
@@ -2435,8 +2423,6 @@ static struct ext4_attr ext4_attr_##name = __ATTR(name, mode, show, store) | |||
2435 | EXT4_RO_ATTR(delayed_allocation_blocks); | 2423 | EXT4_RO_ATTR(delayed_allocation_blocks); |
2436 | EXT4_RO_ATTR(session_write_kbytes); | 2424 | EXT4_RO_ATTR(session_write_kbytes); |
2437 | EXT4_RO_ATTR(lifetime_write_kbytes); | 2425 | EXT4_RO_ATTR(lifetime_write_kbytes); |
2438 | EXT4_RO_ATTR(extent_cache_hits); | ||
2439 | EXT4_RO_ATTR(extent_cache_misses); | ||
2440 | EXT4_ATTR_OFFSET(inode_readahead_blks, 0644, sbi_ui_show, | 2426 | EXT4_ATTR_OFFSET(inode_readahead_blks, 0644, sbi_ui_show, |
2441 | inode_readahead_blks_store, s_inode_readahead_blks); | 2427 | inode_readahead_blks_store, s_inode_readahead_blks); |
2442 | EXT4_RW_ATTR_SBI_UI(inode_goal, s_inode_goal); | 2428 | EXT4_RW_ATTR_SBI_UI(inode_goal, s_inode_goal); |
@@ -2452,8 +2438,6 @@ static struct attribute *ext4_attrs[] = { | |||
2452 | ATTR_LIST(delayed_allocation_blocks), | 2438 | ATTR_LIST(delayed_allocation_blocks), |
2453 | ATTR_LIST(session_write_kbytes), | 2439 | ATTR_LIST(session_write_kbytes), |
2454 | ATTR_LIST(lifetime_write_kbytes), | 2440 | ATTR_LIST(lifetime_write_kbytes), |
2455 | ATTR_LIST(extent_cache_hits), | ||
2456 | ATTR_LIST(extent_cache_misses), | ||
2457 | ATTR_LIST(inode_readahead_blks), | 2441 | ATTR_LIST(inode_readahead_blks), |
2458 | ATTR_LIST(inode_goal), | 2442 | ATTR_LIST(inode_goal), |
2459 | ATTR_LIST(mb_stats), | 2443 | ATTR_LIST(mb_stats), |