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Merge branch 'master' of git://git.kernel.org/pub/scm/fs/xfs/xfs
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Felix Blyakher committed Mar 16, 2009
2 parents cb1b778 + 6cc8764 commit 4740cd8
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Showing 12 changed files with 217 additions and 202 deletions.
27 changes: 0 additions & 27 deletions fs/xfs/linux-2.6/xfs_vnode.h
Original file line number Diff line number Diff line change
Expand Up @@ -49,33 +49,6 @@ struct attrlist_cursor_kern;
Prevent VM access to the pages until
the operation completes. */

/*
* Dealing with bad inodes
*/
static inline int VN_BAD(struct inode *vp)
{
return is_bad_inode(vp);
}

/*
* Extracting atime values in various formats
*/
static inline void vn_atime_to_bstime(struct inode *vp, xfs_bstime_t *bs_atime)
{
bs_atime->tv_sec = vp->i_atime.tv_sec;
bs_atime->tv_nsec = vp->i_atime.tv_nsec;
}

static inline void vn_atime_to_timespec(struct inode *vp, struct timespec *ts)
{
*ts = vp->i_atime;
}

static inline void vn_atime_to_time_t(struct inode *vp, time_t *tt)
{
*tt = vp->i_atime.tv_sec;
}

/*
* Some useful predicates.
*/
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26 changes: 21 additions & 5 deletions fs/xfs/xfs_alloc.c
Original file line number Diff line number Diff line change
Expand Up @@ -1871,6 +1871,25 @@ xfs_alloc_compute_maxlevels(
mp->m_ag_maxlevels = level;
}

/*
* Find the length of the longest extent in an AG.
*/
xfs_extlen_t
xfs_alloc_longest_free_extent(
struct xfs_mount *mp,
struct xfs_perag *pag)
{
xfs_extlen_t need, delta = 0;

need = XFS_MIN_FREELIST_PAG(pag, mp);
if (need > pag->pagf_flcount)
delta = need - pag->pagf_flcount;

if (pag->pagf_longest > delta)
return pag->pagf_longest - delta;
return pag->pagf_flcount > 0 || pag->pagf_longest > 0;
}

/*
* Decide whether to use this allocation group for this allocation.
* If so, fix up the btree freelist's size.
Expand Down Expand Up @@ -1923,15 +1942,12 @@ xfs_alloc_fix_freelist(
}

if (!(flags & XFS_ALLOC_FLAG_FREEING)) {
need = XFS_MIN_FREELIST_PAG(pag, mp);
delta = need > pag->pagf_flcount ? need - pag->pagf_flcount : 0;
/*
* If it looks like there isn't a long enough extent, or enough
* total blocks, reject it.
*/
longest = (pag->pagf_longest > delta) ?
(pag->pagf_longest - delta) :
(pag->pagf_flcount > 0 || pag->pagf_longest > 0);
need = XFS_MIN_FREELIST_PAG(pag, mp);
longest = xfs_alloc_longest_free_extent(mp, pag);
if ((args->minlen + args->alignment + args->minalignslop - 1) >
longest ||
((int)(pag->pagf_freeblks + pag->pagf_flcount -
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6 changes: 6 additions & 0 deletions fs/xfs/xfs_alloc.h
Original file line number Diff line number Diff line change
Expand Up @@ -100,6 +100,12 @@ typedef struct xfs_alloc_arg {
#define XFS_ALLOC_USERDATA 1 /* allocation is for user data*/
#define XFS_ALLOC_INITIAL_USER_DATA 2 /* special case start of file */

/*
* Find the length of the longest extent in an AG.
*/
xfs_extlen_t
xfs_alloc_longest_free_extent(struct xfs_mount *mp,
struct xfs_perag *pag);

#ifdef __KERNEL__

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12 changes: 2 additions & 10 deletions fs/xfs/xfs_bmap.c
Original file line number Diff line number Diff line change
Expand Up @@ -2712,9 +2712,6 @@ xfs_bmap_btalloc(
xfs_agnumber_t startag;
xfs_alloc_arg_t args;
xfs_extlen_t blen;
xfs_extlen_t delta;
xfs_extlen_t longest;
xfs_extlen_t need;
xfs_extlen_t nextminlen = 0;
xfs_perag_t *pag;
int nullfb; /* true if ap->firstblock isn't set */
Expand Down Expand Up @@ -2796,13 +2793,8 @@ xfs_bmap_btalloc(
* See xfs_alloc_fix_freelist...
*/
if (pag->pagf_init) {
need = XFS_MIN_FREELIST_PAG(pag, mp);
delta = need > pag->pagf_flcount ?
need - pag->pagf_flcount : 0;
longest = (pag->pagf_longest > delta) ?
(pag->pagf_longest - delta) :
(pag->pagf_flcount > 0 ||
pag->pagf_longest > 0);
xfs_extlen_t longest;
longest = xfs_alloc_longest_free_extent(mp, pag);
if (blen < longest)
blen = longest;
} else
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9 changes: 2 additions & 7 deletions fs/xfs/xfs_filestream.c
Original file line number Diff line number Diff line change
Expand Up @@ -140,7 +140,7 @@ _xfs_filestream_pick_ag(
xfs_extlen_t minlen)
{
int err, trylock, nscan;
xfs_extlen_t delta, longest, need, free, minfree, maxfree = 0;
xfs_extlen_t longest, free, minfree, maxfree = 0;
xfs_agnumber_t ag, max_ag = NULLAGNUMBER;
struct xfs_perag *pag;

Expand Down Expand Up @@ -186,12 +186,7 @@ _xfs_filestream_pick_ag(
goto next_ag;
}

need = XFS_MIN_FREELIST_PAG(pag, mp);
delta = need > pag->pagf_flcount ? need - pag->pagf_flcount : 0;
longest = (pag->pagf_longest > delta) ?
(pag->pagf_longest - delta) :
(pag->pagf_flcount > 0 || pag->pagf_longest > 0);

longest = xfs_alloc_longest_free_extent(mp, pag);
if (((minlen && longest >= minlen) ||
(!minlen && pag->pagf_freeblks >= minfree)) &&
(!pag->pagf_metadata || !(flags & XFS_PICK_USERDATA) ||
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7 changes: 6 additions & 1 deletion fs/xfs/xfs_itable.c
Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,12 @@ xfs_bulkstat_one_iget(
buf->bs_uid = dic->di_uid;
buf->bs_gid = dic->di_gid;
buf->bs_size = dic->di_size;
vn_atime_to_bstime(VFS_I(ip), &buf->bs_atime);
/*
* We are reading the atime from the Linux inode because the
* dinode might not be uptodate.
*/
buf->bs_atime.tv_sec = VFS_I(ip)->i_atime.tv_sec;
buf->bs_atime.tv_nsec = VFS_I(ip)->i_atime.tv_nsec;
buf->bs_mtime.tv_sec = dic->di_mtime.t_sec;
buf->bs_mtime.tv_nsec = dic->di_mtime.t_nsec;
buf->bs_ctime.tv_sec = dic->di_ctime.t_sec;
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15 changes: 1 addition & 14 deletions fs/xfs/xfs_log.c
Original file line number Diff line number Diff line change
Expand Up @@ -634,19 +634,6 @@ xfs_log_mount_finish(xfs_mount_t *mp)
return error;
}

/*
* Unmount processing for the log.
*/
int
xfs_log_unmount(xfs_mount_t *mp)
{
int error;

error = xfs_log_unmount_write(mp);
xfs_log_unmount_dealloc(mp);
return error;
}

/*
* Final log writes as part of unmount.
*
Expand Down Expand Up @@ -797,7 +784,7 @@ xfs_log_unmount_write(xfs_mount_t *mp)
* and deallocate the log as the aild references the log.
*/
void
xfs_log_unmount_dealloc(xfs_mount_t *mp)
xfs_log_unmount(xfs_mount_t *mp)
{
xfs_trans_ail_destroy(mp);
xlog_dealloc_log(mp->m_log);
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3 changes: 1 addition & 2 deletions fs/xfs/xfs_log.h
Original file line number Diff line number Diff line change
Expand Up @@ -170,9 +170,8 @@ int xfs_log_write(struct xfs_mount *mp,
int nentries,
xfs_log_ticket_t ticket,
xfs_lsn_t *start_lsn);
int xfs_log_unmount(struct xfs_mount *mp);
int xfs_log_unmount_write(struct xfs_mount *mp);
void xfs_log_unmount_dealloc(struct xfs_mount *mp);
void xfs_log_unmount(struct xfs_mount *mp);
int xfs_log_force_umount(struct xfs_mount *mp, int logerror);
int xfs_log_need_covered(struct xfs_mount *mp);

Expand Down
1 change: 0 additions & 1 deletion fs/xfs/xfs_log_priv.h
Original file line number Diff line number Diff line change
Expand Up @@ -455,7 +455,6 @@ extern void xlog_recover_process_iunlinks(xlog_t *log);

extern struct xfs_buf *xlog_get_bp(xlog_t *, int);
extern void xlog_put_bp(struct xfs_buf *);
extern int xlog_bread(xlog_t *, xfs_daddr_t, int, struct xfs_buf *);

extern kmem_zone_t *xfs_log_ticket_zone;

Expand Down
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