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

Browse source 
* '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
This commit is contained in:
Linus Torvalds 2010-05-27 10:26:37 -07:00
commit e4ce30f377
23 changed files with 1136 additions and 834 deletions
Download patch file Download diff file Expand all files Collapse all files

37
include/linux/quotaops.h
View file

@ -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_ */

94
include/trace/events/ext4.h
View file

@ -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_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 )
DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_group_pa,
),
TP_PROTO(struct ext4_allocation_context *ac,
struct ext4_prealloc_space *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_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 */