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[XFS] Don't grow filesystems past the size they can index.

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When growing a filesystem we don't check to see if the new size overflows
the page cache index range, so we can do silly things like grow a
filesystem page 16TB on a 32bit. Check new filesystem sizes against the
limits the kernel can support.

SGI-PV: 957886
SGI-Modid: xfs-linux-melb:xfs-kern:28563a

Signed-Off-By: Nathan Scott <nscott@aconex.com>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Nathan Scott
2007-05-14 18:24:02 +10:00
committed by Tim Shimmin
parent 1fa40b01ae
commit 4cc929ee30
4 changed files with 29 additions and 13 deletions
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fs/xfs/xfs_mount.h
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@@ -624,6 +624,7 @@ extern int xfs_sync_inodes(xfs_mount_t *, int, int *);
extern xfs_agnumber_t xfs_initialize_perag(struct bhv_vfs *, xfs_mount_t *,
xfs_agnumber_t);
extern void xfs_xlatesb(void *, struct xfs_sb *, int, __int64_t);
extern int xfs_sb_validate_fsb_count(struct xfs_sb *, __uint64_t);
extern struct xfs_dmops xfs_dmcore_stub;
extern struct xfs_qmops xfs_qmcore_stub;