diff options
author | Ingo Molnar <mingo@elte.hu> | 2010-02-08 08:55:43 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-02-08 08:55:46 +0100 |
commit | 6d3e0907b8b239d16720d144e2675ecf10d3bc3b (patch) | |
tree | e0b0743b5f6f82b057cafc4f3687396a6e01a0b4 /fs/reiserfs/inode.c | |
parent | 23577256953c870de9b724c3a2611ce7be6a1e4e (diff) | |
parent | 50200df462023b187d80a99a52f5f2cfe3c86c26 (diff) |
Merge branch 'sched/urgent' into sched/core
Merge reason: Merge dependent fix, update to latest -rc.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/reiserfs/inode.c')
-rw-r--r-- | fs/reiserfs/inode.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 290ae38fca8a..9087b10209e6 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -31,11 +31,12 @@ void reiserfs_delete_inode(struct inode *inode) JOURNAL_PER_BALANCE_CNT * 2 + 2 * REISERFS_QUOTA_INIT_BLOCKS(inode->i_sb); struct reiserfs_transaction_handle th; + int depth; int err; truncate_inode_pages(&inode->i_data, 0); - reiserfs_write_lock(inode->i_sb); + depth = reiserfs_write_lock_once(inode->i_sb); /* The = 0 happens when we abort creating a new inode for some reason like lack of space.. */ if (!(inode->i_state & I_NEW) && INODE_PKEY(inode)->k_objectid != 0) { /* also handles bad_inode case */ @@ -74,7 +75,7 @@ void reiserfs_delete_inode(struct inode *inode) out: clear_inode(inode); /* note this must go after the journal_end to prevent deadlock */ inode->i_blocks = 0; - reiserfs_write_unlock(inode->i_sb); + reiserfs_write_unlock_once(inode->i_sb, depth); } static void _make_cpu_key(struct cpu_key *key, int version, __u32 dirid, @@ -3061,13 +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 @@ -3148,8 +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)) { @@ -3158,7 +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; } |