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Diffstat (limited to 'fs/xfs/xfs_iomap.c')
-rw-r--r--fs/xfs/xfs_iomap.c47
1 files changed, 22 insertions, 25 deletions
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index e7f3afd348ac..edb2be9e8195 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -156,25 +156,33 @@ xfs_eof_alignment(
return align;
}
-STATIC int
+/*
+ * Check if last_fsb is outside the last extent, and if so grow it to the next
+ * stripe unit boundary.
+ */
+static xfs_fileoff_t
xfs_iomap_eof_align_last_fsb(
struct xfs_inode *ip,
- xfs_extlen_t extsize,
- xfs_fileoff_t *last_fsb)
+ xfs_fileoff_t end_fsb)
{
- xfs_extlen_t align = xfs_eof_alignment(ip, extsize);
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK);
+ xfs_extlen_t extsz = xfs_get_extsz_hint(ip);
+ xfs_extlen_t align = xfs_eof_alignment(ip, extsz);
+ struct xfs_bmbt_irec irec;
+ struct xfs_iext_cursor icur;
+
+ ASSERT(ifp->if_flags & XFS_IFEXTENTS);
if (align) {
- xfs_fileoff_t new_last_fsb = roundup_64(*last_fsb, align);
- int eof, error;
+ xfs_fileoff_t aligned_end_fsb = roundup_64(end_fsb, align);
- error = xfs_bmap_eof(ip, new_last_fsb, XFS_DATA_FORK, &eof);
- if (error)
- return error;
- if (eof)
- *last_fsb = new_last_fsb;
+ xfs_iext_last(ifp, &icur);
+ if (!xfs_iext_get_extent(ifp, &icur, &irec) ||
+ aligned_end_fsb >= irec.br_startoff + irec.br_blockcount)
+ return aligned_end_fsb;
}
- return 0;
+
+ return end_fsb;
}
int
@@ -206,19 +214,8 @@ xfs_iomap_write_direct(
ASSERT(xfs_isilocked(ip, lockmode));
- if ((offset + count) > XFS_ISIZE(ip)) {
- /*
- * Assert that the in-core extent list is present since this can
- * call xfs_iread_extents() and we only have the ilock shared.
- * This should be safe because the lock was held around a bmapi
- * call in the caller and we only need it to access the in-core
- * list.
- */
- ASSERT(XFS_IFORK_PTR(ip, XFS_DATA_FORK)->if_flags &
- XFS_IFEXTENTS);
- error = xfs_iomap_eof_align_last_fsb(ip, extsz, &last_fsb);
- if (error)
- goto out_unlock;
+ if (offset + count > XFS_ISIZE(ip)) {
+ last_fsb = xfs_iomap_eof_align_last_fsb(ip, last_fsb);
} else {
if (nmaps && (imap->br_startblock == HOLESTARTBLOCK))
last_fsb = min(last_fsb, (xfs_fileoff_t)