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xfs: fix type mismatches in the inode reclaim functions 

It's currently unlikely that we will ever end up with more than 4
billion inodes waiting for reclamation, but the fs object code uses long
int for object counts and we're certainly capable of generating that
many.  Instead of truncating the internal counters, widen them and
report the object counts correctly.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Darrick J. Wong 2021-06-18 11:57:06 -07:00
parent 77b4d2861e
commit 10be350b8c
3 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
fs/xfs/xfs_icache.c
View File

@ -1084,11 +1084,11 @@ xfs_reclaim_inodes(
long
xfs_reclaim_inodes_nr(
struct xfs_mount *mp,
int nr_to_scan)
unsigned long nr_to_scan)
{
struct xfs_icwalk icw = {
.icw_flags = XFS_ICWALK_FLAG_SCAN_LIMIT,
.icw_scan_limit = nr_to_scan,
.icw_scan_limit = min_t(unsigned long, LONG_MAX, nr_to_scan),
};
if (xfs_want_reclaim_sick(mp))
@ -1106,13 +1106,13 @@ xfs_reclaim_inodes_nr(
* Return the number of reclaimable inodes in the filesystem for
* the shrinker to determine how much to reclaim.
*/
int
long
xfs_reclaim_inodes_count(
struct xfs_mount *mp)
{
struct xfs_perag *pag;
xfs_agnumber_t ag = 0;
int reclaimable = 0;
long reclaimable = 0;
while ((pag = xfs_perag_get_tag(mp, ag, XFS_ICI_RECLAIM_TAG))) {
ag = pag->pag_agno + 1;

6
fs/xfs/xfs_icache.h
View File

@ -15,7 +15,7 @@ struct xfs_icwalk {
kgid_t icw_gid;
prid_t icw_prid;
__u64 icw_min_file_size;
int icw_scan_limit;
long icw_scan_limit;
};
/* Flags that reflect xfs_fs_eofblocks functionality. */
@ -49,8 +49,8 @@ void xfs_inode_free(struct xfs_inode *ip);
void xfs_reclaim_worker(struct work_struct *work);
void xfs_reclaim_inodes(struct xfs_mount *mp);
int xfs_reclaim_inodes_count(struct xfs_mount *mp);
long xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
long xfs_reclaim_inodes_count(struct xfs_mount *mp);
long xfs_reclaim_inodes_nr(struct xfs_mount *mp, unsigned long nr_to_scan);
void xfs_inode_mark_reclaimable(struct xfs_inode *ip);

4
fs/xfs/xfs_trace.h
View File

@ -3895,7 +3895,7 @@ DECLARE_EVENT_CLASS(xfs_icwalk_class,
__field(uint32_t, gid)
__field(prid_t, prid)
__field(__u64, min_file_size)
__field(int, scan_limit)
__field(long, scan_limit)
__field(unsigned long, caller_ip)
),
TP_fast_assign(
@ -3910,7 +3910,7 @@ DECLARE_EVENT_CLASS(xfs_icwalk_class,
__entry->scan_limit = icw ? icw->icw_scan_limit : 0;
__entry->caller_ip = caller_ip;
),
TP_printk("dev %d:%d flags 0x%x uid %u gid %u prid %u minsize %llu scan_limit %d caller %pS",
TP_printk("dev %d:%d flags 0x%x uid %u gid %u prid %u minsize %llu scan_limit %ld caller %pS",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->flags,
__entry->uid,