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| author | Al Viro <viro@zeniv.linux.org.uk> | 2015-06-16 02:35:14 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-07-06 17:39:19 -0400 |
| commit | f3e0f3da1b65e84ea82176c1cda03a4b694c9911 (patch) | |
| tree | 783f8b58b36656f1237b00dbf60af1eeeecbcec0 /fs | |
| parent | d770e558e21961ad6cfdf0ff7df0eb5d7d4f0754 (diff) | |
| download | talos-obmc-linux-f3e0f3da1b65e84ea82176c1cda03a4b694c9911.tar.gz talos-obmc-linux-f3e0f3da1b65e84ea82176c1cda03a4b694c9911.zip | |
ufs: kill more lock_ufs() calls
a) move it inside ufs_truncate()
b) ufs_free_inode() doesn't need it - it's serialized on ->s_lock
c) ufs_write_inode() doesn't need it either (and can be called without
it anyway).
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ufs/inode.c | 13 | ||||
| -rw-r--r-- | fs/ufs/truncate.c | 4 |
2 files changed, 4 insertions, 13 deletions
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c index f913a6924b23..0e4d88e0e709 100644 --- a/fs/ufs/inode.c +++ b/fs/ufs/inode.c @@ -867,11 +867,7 @@ static int ufs_update_inode(struct inode * inode, int do_sync) int ufs_write_inode(struct inode *inode, struct writeback_control *wbc) { - int ret; - lock_ufs(inode->i_sb); - ret = ufs_update_inode(inode, wbc->sync_mode == WB_SYNC_ALL); - unlock_ufs(inode->i_sb); - return ret; + return ufs_update_inode(inode, wbc->sync_mode == WB_SYNC_ALL); } int ufs_sync_inode (struct inode *inode) @@ -890,22 +886,17 @@ void ufs_evict_inode(struct inode * inode) if (want_delete) { loff_t old_i_size; /*UFS_I(inode)->i_dtime = CURRENT_TIME;*/ - lock_ufs(inode->i_sb); mark_inode_dirty(inode); ufs_update_inode(inode, IS_SYNC(inode)); old_i_size = inode->i_size; inode->i_size = 0; if (inode->i_blocks && ufs_truncate(inode, old_i_size)) ufs_warning(inode->i_sb, __func__, "ufs_truncate failed\n"); - unlock_ufs(inode->i_sb); } invalidate_inode_buffers(inode); clear_inode(inode); - if (want_delete) { - lock_ufs(inode->i_sb); + if (want_delete) ufs_free_inode(inode); - unlock_ufs(inode->i_sb); - } } diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c index 21154704c168..90cf3a76c500 100644 --- a/fs/ufs/truncate.c +++ b/fs/ufs/truncate.c @@ -457,6 +457,7 @@ int ufs_truncate(struct inode *inode, loff_t old_i_size) if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) return -EPERM; + lock_ufs(sb); err = ufs_alloc_lastblock(inode); if (err) { @@ -486,6 +487,7 @@ int ufs_truncate(struct inode *inode, loff_t old_i_size) ufsi->i_lastfrag = DIRECT_FRAGMENT; mark_inode_dirty(inode); out: + unlock_ufs(sb); UFSD("EXIT: err %d\n", err); return err; } @@ -506,9 +508,7 @@ int ufs_setattr(struct dentry *dentry, struct iattr *attr) /* XXX(truncate): truncate_setsize should be called last */ truncate_setsize(inode, attr->ia_size); - lock_ufs(inode->i_sb); error = ufs_truncate(inode, old_i_size); - unlock_ufs(inode->i_sb); if (error) return error; } |
