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Diffstat (limited to 'fs/xfs/xfs_super.c')
-rw-r--r--fs/xfs/xfs_super.c50
1 files changed, 40 insertions, 10 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 54be9d64093e..ed18160e6181 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -38,6 +38,8 @@
#include "xfs_pwork.h"
#include "xfs_ag.h"
#include "xfs_defer.h"
+#include "xfs_attr_item.h"
+#include "xfs_xattr.h"
#include <linux/magic.h>
#include <linux/fs_context.h>
@@ -843,9 +845,11 @@ xfs_fs_statfs(
if (XFS_IS_REALTIME_MOUNT(mp) &&
(ip->i_diflags & (XFS_DIFLAG_RTINHERIT | XFS_DIFLAG_REALTIME))) {
+ s64 freertx;
+
statp->f_blocks = sbp->sb_rblocks;
- statp->f_bavail = statp->f_bfree =
- sbp->sb_frextents * sbp->sb_rextsize;
+ freertx = percpu_counter_sum_positive(&mp->m_frextents);
+ statp->f_bavail = statp->f_bfree = freertx * sbp->sb_rextsize;
}
return 0;
@@ -1015,8 +1019,14 @@ xfs_init_percpu_counters(
if (error)
goto free_fdblocks;
+ error = percpu_counter_init(&mp->m_frextents, 0, GFP_KERNEL);
+ if (error)
+ goto free_delalloc;
+
return 0;
+free_delalloc:
+ percpu_counter_destroy(&mp->m_delalloc_blks);
free_fdblocks:
percpu_counter_destroy(&mp->m_fdblocks);
free_ifree:
@@ -1033,6 +1043,7 @@ xfs_reinit_percpu_counters(
percpu_counter_set(&mp->m_icount, mp->m_sb.sb_icount);
percpu_counter_set(&mp->m_ifree, mp->m_sb.sb_ifree);
percpu_counter_set(&mp->m_fdblocks, mp->m_sb.sb_fdblocks);
+ percpu_counter_set(&mp->m_frextents, mp->m_sb.sb_frextents);
}
static void
@@ -1045,6 +1056,7 @@ xfs_destroy_percpu_counters(
ASSERT(xfs_is_shutdown(mp) ||
percpu_counter_sum(&mp->m_delalloc_blks) == 0);
percpu_counter_destroy(&mp->m_delalloc_blks);
+ percpu_counter_destroy(&mp->m_frextents);
}
static int
@@ -1608,14 +1620,10 @@ xfs_fs_fill_super(
goto out_filestream_unmount;
}
- if (xfs_has_discard(mp)) {
- struct request_queue *q = bdev_get_queue(sb->s_bdev);
-
- if (!blk_queue_discard(q)) {
- xfs_warn(mp, "mounting with \"discard\" option, but "
- "the device does not support discard");
- mp->m_features &= ~XFS_FEAT_DISCARD;
- }
+ if (xfs_has_discard(mp) && !bdev_max_discard_sectors(sb->s_bdev)) {
+ xfs_warn(mp,
+ "mounting with \"discard\" option, but the device does not support discard");
+ mp->m_features &= ~XFS_FEAT_DISCARD;
}
if (xfs_has_reflink(mp)) {
@@ -1639,6 +1647,10 @@ xfs_fs_fill_super(
goto out_filestream_unmount;
}
+ if (xfs_has_large_extent_counts(mp))
+ xfs_warn(mp,
+ "EXPERIMENTAL Large extent counts feature in use. Use at your own risk!");
+
error = xfs_mountfs(mp);
if (error)
goto out_filestream_unmount;
@@ -2069,8 +2081,24 @@ xfs_init_caches(void)
if (!xfs_bui_cache)
goto out_destroy_bud_cache;
+ xfs_attrd_cache = kmem_cache_create("xfs_attrd_item",
+ sizeof(struct xfs_attrd_log_item),
+ 0, 0, NULL);
+ if (!xfs_attrd_cache)
+ goto out_destroy_bui_cache;
+
+ xfs_attri_cache = kmem_cache_create("xfs_attri_item",
+ sizeof(struct xfs_attri_log_item),
+ 0, 0, NULL);
+ if (!xfs_attri_cache)
+ goto out_destroy_attrd_cache;
+
return 0;
+ out_destroy_attrd_cache:
+ kmem_cache_destroy(xfs_attrd_cache);
+ out_destroy_bui_cache:
+ kmem_cache_destroy(xfs_bui_cache);
out_destroy_bud_cache:
kmem_cache_destroy(xfs_bud_cache);
out_destroy_cui_cache:
@@ -2117,6 +2145,8 @@ xfs_destroy_caches(void)
* destroy caches.
*/
rcu_barrier();
+ kmem_cache_destroy(xfs_attri_cache);
+ kmem_cache_destroy(xfs_attrd_cache);
kmem_cache_destroy(xfs_bui_cache);
kmem_cache_destroy(xfs_bud_cache);
kmem_cache_destroy(xfs_cui_cache);