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author | Ingo Molnar | 2010-08-31 09:45:21 +0200 |
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committer | Ingo Molnar | 2010-08-31 09:45:46 +0200 |
commit | daab7fc734a53fdeaf844b7c03053118ad1769da (patch) | |
tree | 575deb3cdcc6dda562acaed6f7c29bc81ae01cf2 /fs/reiserfs/inode.c | |
parent | x86: Remove old bootmem code (diff) | |
parent | Linux 2.6.36-rc3 (diff) | |
download | kernel-qcow2-linux-daab7fc734a53fdeaf844b7c03053118ad1769da.tar.gz kernel-qcow2-linux-daab7fc734a53fdeaf844b7c03053118ad1769da.tar.xz kernel-qcow2-linux-daab7fc734a53fdeaf844b7c03053118ad1769da.zip |
Merge commit 'v2.6.36-rc3' into x86/memblock
Conflicts:
arch/x86/kernel/trampoline.c
mm/memblock.c
Merge reason: Resolve the conflicts, update to latest upstream.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/reiserfs/inode.c')
-rw-r--r-- | fs/reiserfs/inode.c | 137 |
1 files changed, 82 insertions, 55 deletions
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 0f22fdaf54ac..caa758377d66 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -25,7 +25,7 @@ int reiserfs_commit_write(struct file *f, struct page *page, int reiserfs_prepare_write(struct file *f, struct page *page, unsigned from, unsigned to); -void reiserfs_delete_inode(struct inode *inode) +void reiserfs_evict_inode(struct inode *inode) { /* We need blocks for transaction + (user+group) quota update (possibly delete) */ int jbegin_count = @@ -35,10 +35,12 @@ void reiserfs_delete_inode(struct inode *inode) int depth; int err; - if (!is_bad_inode(inode)) + if (!inode->i_nlink && !is_bad_inode(inode)) dquot_initialize(inode); truncate_inode_pages(&inode->i_data, 0); + if (inode->i_nlink) + goto no_delete; depth = reiserfs_write_lock_once(inode->i_sb); @@ -77,9 +79,15 @@ void reiserfs_delete_inode(struct inode *inode) ; } out: - clear_inode(inode); /* note this must go after the journal_end to prevent deadlock */ + end_writeback(inode); /* note this must go after the journal_end to prevent deadlock */ + dquot_drop(inode); inode->i_blocks = 0; reiserfs_write_unlock_once(inode->i_sb, depth); + return; + +no_delete: + end_writeback(inode); + dquot_drop(inode); } static void _make_cpu_key(struct cpu_key *key, int version, __u32 dirid, @@ -1138,7 +1146,6 @@ static void init_inode(struct inode *inode, struct treepath *path) REISERFS_I(inode)->i_prealloc_count = 0; REISERFS_I(inode)->i_trans_id = 0; REISERFS_I(inode)->i_jl = NULL; - mutex_init(&(REISERFS_I(inode)->i_mmap)); reiserfs_init_xattr_rwsem(inode); if (stat_data_v1(ih)) { @@ -1221,7 +1228,7 @@ static void init_inode(struct inode *inode, struct treepath *path) inode_set_bytes(inode, to_real_used_space(inode, inode->i_blocks, SD_V2_SIZE)); - /* read persistent inode attributes from sd and initalise + /* read persistent inode attributes from sd and initialise generic inode flags from them */ REISERFS_I(inode)->i_attrs = sd_v2_attrs(sd); sd_attrs_to_i_attrs(sd_v2_attrs(sd), inode); @@ -1841,7 +1848,6 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th, REISERFS_I(inode)->i_attrs = REISERFS_I(dir)->i_attrs & REISERFS_INHERIT_MASK; sd_attrs_to_i_attrs(REISERFS_I(inode)->i_attrs, inode); - mutex_init(&(REISERFS_I(inode)->i_mmap)); reiserfs_init_xattr_rwsem(inode); /* key to search for correct place for new stat data */ @@ -2587,8 +2593,7 @@ static int reiserfs_write_begin(struct file *file, old_ref = th->t_refcount; th->t_refcount++; } - ret = block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, - reiserfs_get_block); + ret = __block_write_begin(page, pos, len, reiserfs_get_block); if (ret && reiserfs_transaction_running(inode->i_sb)) { struct reiserfs_transaction_handle *th = current->journal_info; /* this gets a little ugly. If reiserfs_get_block returned an @@ -3059,10 +3064,25 @@ static ssize_t reiserfs_direct_IO(int rw, struct kiocb *iocb, { struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; + ssize_t ret; - return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, + ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, offset, nr_segs, reiserfs_get_blocks_direct_io, NULL); + + /* + * In case of error extending write may have instantiated a few + * blocks outside i_size. Trim these off again. + */ + if (unlikely((rw & WRITE) && ret < 0)) { + loff_t isize = i_size_read(inode); + loff_t end = offset + iov_length(iov, nr_segs); + + if (end > isize) + vmtruncate(inode, isize); + } + + return ret; } int reiserfs_setattr(struct dentry *dentry, struct iattr *attr) @@ -3072,6 +3092,10 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr) int depth; int error; + error = inode_change_ok(inode, attr); + if (error) + return error; + /* must be turned off for recursive notify_change calls */ ia_valid = attr->ia_valid &= ~(ATTR_KILL_SUID|ATTR_KILL_SGID); @@ -3121,55 +3145,58 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr) goto out; } - error = inode_change_ok(inode, attr); - if (!error) { - if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) || - (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) { - error = reiserfs_chown_xattrs(inode, attr); + if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) || + (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) { + struct reiserfs_transaction_handle th; + int jbegin_count = + 2 * + (REISERFS_QUOTA_INIT_BLOCKS(inode->i_sb) + + REISERFS_QUOTA_DEL_BLOCKS(inode->i_sb)) + + 2; - if (!error) { - struct reiserfs_transaction_handle th; - int jbegin_count = - 2 * - (REISERFS_QUOTA_INIT_BLOCKS(inode->i_sb) + - REISERFS_QUOTA_DEL_BLOCKS(inode->i_sb)) + - 2; - - /* (user+group)*(old+new) structure - we count quota info and , inode write (sb, inode) */ - error = - journal_begin(&th, inode->i_sb, - jbegin_count); - if (error) - goto out; - error = dquot_transfer(inode, attr); - if (error) { - journal_end(&th, inode->i_sb, - jbegin_count); - goto out; - } - /* Update corresponding info in inode so that everything is in - * one transaction */ - if (attr->ia_valid & ATTR_UID) - inode->i_uid = attr->ia_uid; - if (attr->ia_valid & ATTR_GID) - inode->i_gid = attr->ia_gid; - mark_inode_dirty(inode); - error = - journal_end(&th, inode->i_sb, jbegin_count); - } - } - 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); + error = reiserfs_chown_xattrs(inode, attr); + + if (error) + return error; + + /* (user+group)*(old+new) structure - we count quota info and , inode write (sb, inode) */ + error = journal_begin(&th, inode->i_sb, jbegin_count); + if (error) + goto out; + error = dquot_transfer(inode, attr); + if (error) { + journal_end(&th, inode->i_sb, jbegin_count); + goto out; } + + /* Update corresponding info in inode so that everything is in + * one transaction */ + if (attr->ia_valid & ATTR_UID) + inode->i_uid = attr->ia_uid; + if (attr->ia_valid & ATTR_GID) + inode->i_gid = attr->ia_gid; + mark_inode_dirty(inode); + error = journal_end(&th, inode->i_sb, jbegin_count); + if (error) + goto out; + } + + /* + * 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); + if ((attr->ia_valid & ATTR_SIZE) && + attr->ia_size != i_size_read(inode)) + error = vmtruncate(inode, attr->ia_size); + + if (!error) { + setattr_copy(inode, attr); + mark_inode_dirty(inode); } + depth = reiserfs_write_lock_once(inode->i_sb); if (!error && reiserfs_posixacl(inode->i_sb)) { if (attr->ia_valid & ATTR_MODE) |