[XFS] Cleanup references to i_sem.
SGI-PV: 904196
SGI-Modid: xfs-linux-melb:xfs-kern:25480a
Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index 2ede4bb..ba07b83 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -249,9 +249,8 @@
if (n < size)
size = n;
- if (XFS_FORCED_SHUTDOWN(mp)) {
+ if (XFS_FORCED_SHUTDOWN(mp))
return -EIO;
- }
if (unlikely(ioflags & IO_ISDIRECT))
mutex_lock(&inode->i_mutex);
@@ -267,7 +266,7 @@
dmflags, &locktype);
if (ret) {
xfs_iunlock(ip, XFS_IOLOCK_SHARED);
- goto unlock_isem;
+ goto unlock_mutex;
}
}
@@ -281,7 +280,7 @@
xfs_iunlock(ip, XFS_IOLOCK_SHARED);
-unlock_isem:
+unlock_mutex:
if (unlikely(ioflags & IO_ISDIRECT))
mutex_unlock(&inode->i_mutex);
return ret;
@@ -573,7 +572,7 @@
vrwlock_t locktype;
size_t ocount = 0, count;
loff_t pos;
- int need_isem = 1, need_flush = 0;
+ int need_i_mutex = 1, need_flush = 0;
XFS_STATS_INC(xs_write_calls);
@@ -622,14 +621,14 @@
return XFS_ERROR(-EINVAL);
if (!VN_CACHED(vp) && pos < i_size_read(inode))
- need_isem = 0;
+ need_i_mutex = 0;
if (VN_CACHED(vp))
need_flush = 1;
}
relock:
- if (need_isem) {
+ if (need_i_mutex) {
iolock = XFS_IOLOCK_EXCL;
locktype = VRWLOCK_WRITE;
@@ -651,7 +650,7 @@
S_ISBLK(inode->i_mode));
if (error) {
xfs_iunlock(xip, XFS_ILOCK_EXCL|iolock);
- goto out_unlock_isem;
+ goto out_unlock_mutex;
}
new_size = pos + count;
@@ -663,7 +662,7 @@
loff_t savedsize = pos;
int dmflags = FILP_DELAY_FLAG(file);
- if (need_isem)
+ if (need_i_mutex)
dmflags |= DM_FLAGS_IMUX;
xfs_iunlock(xip, XFS_ILOCK_EXCL);
@@ -672,7 +671,7 @@
dmflags, &locktype);
if (error) {
xfs_iunlock(xip, iolock);
- goto out_unlock_isem;
+ goto out_unlock_mutex;
}
xfs_ilock(xip, XFS_ILOCK_EXCL);
eventsent = 1;
@@ -710,7 +709,7 @@
isize, pos + count);
if (error) {
xfs_iunlock(xip, XFS_ILOCK_EXCL|iolock);
- goto out_unlock_isem;
+ goto out_unlock_mutex;
}
}
xfs_iunlock(xip, XFS_ILOCK_EXCL);
@@ -731,7 +730,7 @@
error = -remove_suid(file->f_dentry);
if (unlikely(error)) {
xfs_iunlock(xip, iolock);
- goto out_unlock_isem;
+ goto out_unlock_mutex;
}
}
@@ -747,14 +746,14 @@
-1, FI_REMAPF_LOCKED);
}
- if (need_isem) {
+ if (need_i_mutex) {
/* demote the lock now the cached pages are gone */
XFS_ILOCK_DEMOTE(mp, io, XFS_IOLOCK_EXCL);
mutex_unlock(&inode->i_mutex);
iolock = XFS_IOLOCK_SHARED;
locktype = VRWLOCK_WRITE_DIRECT;
- need_isem = 0;
+ need_i_mutex = 0;
}
xfs_rw_enter_trace(XFS_DIOWR_ENTER, io, (void *)iovp, segs,
@@ -772,7 +771,7 @@
pos += ret;
count -= ret;
- need_isem = 1;
+ need_i_mutex = 1;
ioflags &= ~IO_ISDIRECT;
xfs_iunlock(xip, iolock);
goto relock;
@@ -794,14 +793,14 @@
!(ioflags & IO_INVIS)) {
xfs_rwunlock(bdp, locktype);
- if (need_isem)
+ if (need_i_mutex)
mutex_unlock(&inode->i_mutex);
error = XFS_SEND_NAMESP(xip->i_mount, DM_EVENT_NOSPACE, vp,
DM_RIGHT_NULL, vp, DM_RIGHT_NULL, NULL, NULL,
0, 0, 0); /* Delay flag intentionally unused */
if (error)
goto out_nounlocks;
- if (need_isem)
+ if (need_i_mutex)
mutex_lock(&inode->i_mutex);
xfs_rwlock(bdp, locktype);
pos = xip->i_d.di_size;
@@ -905,9 +904,9 @@
if (error)
goto out_unlock_internal;
}
-
+
xfs_rwunlock(bdp, locktype);
- if (need_isem)
+ if (need_i_mutex)
mutex_unlock(&inode->i_mutex);
error = sync_page_range(inode, mapping, pos, ret);
@@ -918,8 +917,8 @@
out_unlock_internal:
xfs_rwunlock(bdp, locktype);
- out_unlock_isem:
- if (need_isem)
+ out_unlock_mutex:
+ if (need_i_mutex)
mutex_unlock(&inode->i_mutex);
out_nounlocks:
return -error;