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| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2011-01-16 21:21:04 +0000 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2011-01-16 21:21:04 +0000 |
| commit | f652f6c5b7cfdf139f4155d78f397e99ae1c4acc (patch) | |
| tree | 71c6344688bf56ea6aaf18c586ab69ff4f077ade /fs/xfs/xfs_mount.c | |
| parent | 140e3008e7fe1526cbb12f8f07dbc273ac713b75 (diff) | |
| parent | c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5 (diff) | |
| download | kernel_samsung_smdk4412-f652f6c5b7cfdf139f4155d78f397e99ae1c4acc.zip kernel_samsung_smdk4412-f652f6c5b7cfdf139f4155d78f397e99ae1c4acc.tar.gz kernel_samsung_smdk4412-f652f6c5b7cfdf139f4155d78f397e99ae1c4acc.tar.bz2 | |
Merge branch 'master' of /pub/scm/linux/kernel/git/jejb/scsi-post-merge-2.6 into for-linus
Diffstat (limited to 'fs/xfs/xfs_mount.c')
| -rw-r--r-- | fs/xfs/xfs_mount.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 19e9dfa..d447aef 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -472,7 +472,7 @@ xfs_initialize_perag( goto out_unwind; pag->pag_agno = index; pag->pag_mount = mp; - rwlock_init(&pag->pag_ici_lock); + spin_lock_init(&pag->pag_ici_lock); mutex_init(&pag->pag_ici_reclaim_lock); INIT_RADIX_TREE(&pag->pag_ici_root, GFP_ATOMIC); spin_lock_init(&pag->pag_buf_lock); @@ -975,6 +975,24 @@ xfs_set_rw_sizes(xfs_mount_t *mp) } /* + * precalculate the low space thresholds for dynamic speculative preallocation. + */ +void +xfs_set_low_space_thresholds( + struct xfs_mount *mp) +{ + int i; + + for (i = 0; i < XFS_LOWSP_MAX; i++) { + __uint64_t space = mp->m_sb.sb_dblocks; + + do_div(space, 100); + mp->m_low_space[i] = space * (i + 1); + } +} + + +/* * Set whether we're using inode alignment. */ STATIC void @@ -1196,6 +1214,9 @@ xfs_mountfs( */ xfs_set_rw_sizes(mp); + /* set the low space thresholds for dynamic preallocation */ + xfs_set_low_space_thresholds(mp); + /* * Set the inode cluster size. * This may still be overridden by the file system |