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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-08 14:03:55 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-08 14:03:55 -0800 |
| commit | 82062e7b50280bcf0feca70ac35a44f375602976 (patch) | |
| tree | 0321bff42945768990a92c3770d4270497c0e8ee /fs/reiserfs/inode.c | |
| parent | dbd6a7cfead4fa2d7ad3fefe47168fcb146ac5ba (diff) | |
| parent | 31370f62baa1460b785cee9944bdcaf63d19e567 (diff) | |
| download | kernel_samsung_smdk4412-82062e7b50280bcf0feca70ac35a44f375602976.zip kernel_samsung_smdk4412-82062e7b50280bcf0feca70ac35a44f375602976.tar.gz kernel_samsung_smdk4412-82062e7b50280bcf0feca70ac35a44f375602976.tar.bz2 | |
Merge branch 'reiserfs/kill-bkl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing
* 'reiserfs/kill-bkl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing:
reiserfs: Relax reiserfs_xattr_set_handle() while acquiring xattr locks
reiserfs: Fix unreachable statement
reiserfs: Don't call reiserfs_get_acl() with the reiserfs lock
reiserfs: Relax lock on xattr removing
reiserfs: Relax the lock before truncating pages
reiserfs: Fix recursive lock on lchown
reiserfs: Fix mistake in down_write() conversion
Diffstat (limited to 'fs/reiserfs/inode.c')
| -rw-r--r-- | fs/reiserfs/inode.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 1150ebb..9087b10 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -3062,13 +3062,14 @@ static ssize_t reiserfs_direct_IO(int rw, struct kiocb *iocb, int reiserfs_setattr(struct dentry *dentry, struct iattr *attr) { struct inode *inode = dentry->d_inode; - int error; unsigned int ia_valid; + int depth; + int error; /* must be turned off for recursive notify_change calls */ ia_valid = attr->ia_valid &= ~(ATTR_KILL_SUID|ATTR_KILL_SGID); - reiserfs_write_lock(inode->i_sb); + depth = reiserfs_write_lock_once(inode->i_sb); if (attr->ia_valid & ATTR_SIZE) { /* version 2 items will be caught by the s_maxbytes check ** done for us in vmtruncate @@ -3149,8 +3150,17 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr) journal_end(&th, inode->i_sb, jbegin_count); } } - if (!error) + if (!error) { + /* + * Relax the lock here, as it might truncate the + * inode pages and wait for inode pages locks. + * To release such page lock, the owner needs the + * reiserfs lock + */ + reiserfs_write_unlock_once(inode->i_sb, depth); error = inode_setattr(inode, attr); + depth = reiserfs_write_lock_once(inode->i_sb); + } } if (!error && reiserfs_posixacl(inode->i_sb)) { @@ -3159,7 +3169,8 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr) } out: - reiserfs_write_unlock(inode->i_sb); + reiserfs_write_unlock_once(inode->i_sb, depth); + return error; } |