AcoSail/kernel_optimize_test
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ufs: move lock_ufs() down into __ufs_truncate_blocks()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-06-16 18:17:28 -04:00
parent 2401aa29ab
commit 493b4537a2
1 changed files with 2 additions and 7 deletions
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9
fs/ufs/truncate.c
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@ -447,6 +447,7 @@ static void __ufs_truncate_blocks(struct inode *inode)
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi; struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
int retry; int retry;
lock_ufs(sb);
while (1) { while (1) {
retry = ufs_trunc_direct(inode); retry = ufs_trunc_direct(inode);
retry |= ufs_trunc_indirect(inode, UFS_IND_BLOCK, retry |= ufs_trunc_indirect(inode, UFS_IND_BLOCK,
@ -464,11 +465,11 @@ static void __ufs_truncate_blocks(struct inode *inode)
} }
ufsi->i_lastfrag = DIRECT_FRAGMENT; ufsi->i_lastfrag = DIRECT_FRAGMENT;
unlock_ufs(sb);
} }
int ufs_truncate(struct inode *inode, loff_t size) int ufs_truncate(struct inode *inode, loff_t size)
{ {
struct super_block *sb = inode->i_sb;
int err = 0; int err = 0;
UFSD("ENTER: ino %lu, i_size: %llu, old_i_size: %llu\n", UFSD("ENTER: ino %lu, i_size: %llu, old_i_size: %llu\n",
@ -481,7 +482,6 @@ int ufs_truncate(struct inode *inode, loff_t size)
if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
return -EPERM; return -EPERM;
lock_ufs(sb);
err = ufs_alloc_lastblock(inode, size); err = ufs_alloc_lastblock(inode, size);
if (err) if (err)
@ -495,23 +495,18 @@ int ufs_truncate(struct inode *inode, loff_t size)
inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC; inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC;
mark_inode_dirty(inode); mark_inode_dirty(inode);
out: out:
unlock_ufs(sb);
UFSD("EXIT: err %d\n", err); UFSD("EXIT: err %d\n", err);
return err; return err;
} }
void ufs_truncate_blocks(struct inode *inode) void ufs_truncate_blocks(struct inode *inode)
{ {
struct super_block *sb = inode->i_sb;
if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
S_ISLNK(inode->i_mode))) S_ISLNK(inode->i_mode)))
return; return;
if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
return; return;
lock_ufs(sb);
__ufs_truncate_blocks(inode); __ufs_truncate_blocks(inode);
unlock_ufs(sb);
} }
int ufs_setattr(struct dentry *dentry, struct iattr *attr) int ufs_setattr(struct dentry *dentry, struct iattr *attr)