diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 10:26:37 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 10:26:37 -0700 |
commit | e4ce30f3779c2ddaa7dfaa4042209e5dbacbada5 (patch) | |
tree | cc64c1dcd16b5dbf71ebc8338b339e6fb04abaee /include | |
parent | b899ebeb05da4287ce845976727e3e83dadd25d5 (diff) | |
parent | 14ece1028b3ed53ffec1b1213ffc6acaf79ad77c (diff) |
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
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/quotaops.h | 37 | ||||
-rw-r--r-- | include/trace/events/ext4.h | 94 |
2 files changed, 76 insertions, 55 deletions
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index 370abb1e99c..e38ae53f352 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 2aa6aa3e8f6..5d60ad4ebf7 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 */ |