diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/aio.c | 8 | ||||
-rw-r--r-- | fs/buffer.c | 4 | ||||
-rw-r--r-- | fs/dquot.c | 2 | ||||
-rw-r--r-- | fs/ecryptfs/dentry.c | 2 | ||||
-rw-r--r-- | fs/ext3/acl.c | 8 | ||||
-rw-r--r-- | fs/ext3/resize.c | 4 | ||||
-rw-r--r-- | fs/ext3/xattr.c | 4 | ||||
-rw-r--r-- | fs/fs-writeback.c | 6 | ||||
-rw-r--r-- | fs/isofs/compress.c | 11 | ||||
-rw-r--r-- | fs/jbd/journal.c | 5 | ||||
-rw-r--r-- | fs/jbd/recovery.c | 2 | ||||
-rw-r--r-- | fs/jbd/transaction.c | 8 | ||||
-rw-r--r-- | fs/jbd2/recovery.c | 2 | ||||
-rw-r--r-- | fs/locks.c | 4 | ||||
-rw-r--r-- | fs/namei.c | 6 | ||||
-rw-r--r-- | fs/romfs/inode.c | 30 | ||||
-rw-r--r-- | fs/super.c | 6 | ||||
-rw-r--r-- | fs/ufs/balloc.c | 4 |
18 files changed, 64 insertions, 52 deletions
@@ -996,6 +996,14 @@ put_rq: /* everything turned out well, dispose of the aiocb. */ ret = __aio_put_req(ctx, iocb); + /* + * We have to order our ring_info tail store above and test + * of the wait list below outside the wait lock. This is + * like in wake_up_bit() where clearing a bit has to be + * ordered with the unlocked test. + */ + smp_mb(); + if (waitqueue_active(&ctx->wait)) wake_up(&ctx->wait); diff --git a/fs/buffer.c b/fs/buffer.c index ddfdd2c80bf..7ba58386bee 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -3213,7 +3213,7 @@ static int buffer_cpu_notify(struct notifier_block *self, } /** - * bh_uptodate_or_lock: Test whether the buffer is uptodate + * bh_uptodate_or_lock - Test whether the buffer is uptodate * @bh: struct buffer_head * * Return true if the buffer is up-to-date and false, @@ -3232,7 +3232,7 @@ int bh_uptodate_or_lock(struct buffer_head *bh) EXPORT_SYMBOL(bh_uptodate_or_lock); /** - * bh_submit_read: Submit a locked buffer for reading + * bh_submit_read - Submit a locked buffer for reading * @bh: struct buffer_head * * Returns zero on success and -EIO on error. diff --git a/fs/dquot.c b/fs/dquot.c index 9c7feb62eed..41b9dbd68b0 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -1522,8 +1522,8 @@ int vfs_quota_off(struct super_block *sb, int type) truncate_inode_pages(&toputinode[cnt]->i_data, 0); mutex_unlock(&toputinode[cnt]->i_mutex); mark_inode_dirty(toputinode[cnt]); - iput(toputinode[cnt]); } + iput(toputinode[cnt]); mutex_unlock(&dqopt->dqonoff_mutex); } if (sb->s_bdev) diff --git a/fs/ecryptfs/dentry.c b/fs/ecryptfs/dentry.c index 841a032050a..5e596583946 100644 --- a/fs/ecryptfs/dentry.c +++ b/fs/ecryptfs/dentry.c @@ -80,8 +80,8 @@ static void ecryptfs_d_release(struct dentry *dentry) { if (ecryptfs_dentry_to_private(dentry)) { if (ecryptfs_dentry_to_lower(dentry)) { - mntput(ecryptfs_dentry_to_lower_mnt(dentry)); dput(ecryptfs_dentry_to_lower(dentry)); + mntput(ecryptfs_dentry_to_lower_mnt(dentry)); } kmem_cache_free(ecryptfs_dentry_info_cache, ecryptfs_dentry_to_private(dentry)); diff --git a/fs/ext3/acl.c b/fs/ext3/acl.c index d34e9967430..a754d184817 100644 --- a/fs/ext3/acl.c +++ b/fs/ext3/acl.c @@ -37,7 +37,7 @@ ext3_acl_from_disk(const void *value, size_t size) return ERR_PTR(-EINVAL); if (count == 0) return NULL; - acl = posix_acl_alloc(count, GFP_KERNEL); + acl = posix_acl_alloc(count, GFP_NOFS); if (!acl) return ERR_PTR(-ENOMEM); for (n=0; n < count; n++) { @@ -91,7 +91,7 @@ ext3_acl_to_disk(const struct posix_acl *acl, size_t *size) *size = ext3_acl_size(acl->a_count); ext_acl = kmalloc(sizeof(ext3_acl_header) + acl->a_count * - sizeof(ext3_acl_entry), GFP_KERNEL); + sizeof(ext3_acl_entry), GFP_NOFS); if (!ext_acl) return ERR_PTR(-ENOMEM); ext_acl->a_version = cpu_to_le32(EXT3_ACL_VERSION); @@ -187,7 +187,7 @@ ext3_get_acl(struct inode *inode, int type) } retval = ext3_xattr_get(inode, name_index, "", NULL, 0); if (retval > 0) { - value = kmalloc(retval, GFP_KERNEL); + value = kmalloc(retval, GFP_NOFS); if (!value) return ERR_PTR(-ENOMEM); retval = ext3_xattr_get(inode, name_index, "", value, retval); @@ -335,7 +335,7 @@ ext3_init_acl(handle_t *handle, struct inode *inode, struct inode *dir) if (error) goto cleanup; } - clone = posix_acl_clone(acl, GFP_KERNEL); + clone = posix_acl_clone(acl, GFP_NOFS); error = -ENOMEM; if (!clone) goto cleanup; diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c index 9397d779c43..0e97b6e07cb 100644 --- a/fs/ext3/resize.c +++ b/fs/ext3/resize.c @@ -485,7 +485,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode, goto exit_dindj; n_group_desc = kmalloc((gdb_num + 1) * sizeof(struct buffer_head *), - GFP_KERNEL); + GFP_NOFS); if (!n_group_desc) { err = -ENOMEM; ext3_warning (sb, __FUNCTION__, @@ -568,7 +568,7 @@ static int reserve_backup_gdb(handle_t *handle, struct inode *inode, int res, i; int err; - primary = kmalloc(reserved_gdb * sizeof(*primary), GFP_KERNEL); + primary = kmalloc(reserved_gdb * sizeof(*primary), GFP_NOFS); if (!primary) return -ENOMEM; diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c index fb89c299bec..a6ea4d6a8bb 100644 --- a/fs/ext3/xattr.c +++ b/fs/ext3/xattr.c @@ -728,7 +728,7 @@ ext3_xattr_block_set(handle_t *handle, struct inode *inode, ce = NULL; } ea_bdebug(bs->bh, "cloning"); - s->base = kmalloc(bs->bh->b_size, GFP_KERNEL); + s->base = kmalloc(bs->bh->b_size, GFP_NOFS); error = -ENOMEM; if (s->base == NULL) goto cleanup; @@ -740,7 +740,7 @@ ext3_xattr_block_set(handle_t *handle, struct inode *inode, } } else { /* Allocate a buffer where we construct the new block. */ - s->base = kzalloc(sb->s_blocksize, GFP_KERNEL); + s->base = kzalloc(sb->s_blocksize, GFP_NOFS); /* assert(header == s->base) */ error = -ENOMEM; if (s->base == NULL) diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index c0076077d33..06557679ca4 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -751,7 +751,7 @@ int generic_osync_inode(struct inode *inode, struct address_space *mapping, int EXPORT_SYMBOL(generic_osync_inode); /** - * writeback_acquire: attempt to get exclusive writeback access to a device + * writeback_acquire - attempt to get exclusive writeback access to a device * @bdi: the device's backing_dev_info structure * * It is a waste of resources to have more than one pdflush thread blocked on @@ -768,7 +768,7 @@ int writeback_acquire(struct backing_dev_info *bdi) } /** - * writeback_in_progress: determine whether there is writeback in progress + * writeback_in_progress - determine whether there is writeback in progress * @bdi: the device's backing_dev_info structure. * * Determine whether there is writeback in progress against a backing device. @@ -779,7 +779,7 @@ int writeback_in_progress(struct backing_dev_info *bdi) } /** - * writeback_release: relinquish exclusive writeback access against a device. + * writeback_release - relinquish exclusive writeback access against a device. * @bdi: the device's backing_dev_info structure */ void writeback_release(struct backing_dev_info *bdi) diff --git a/fs/isofs/compress.c b/fs/isofs/compress.c index 37dbd640478..defb932eee9 100644 --- a/fs/isofs/compress.c +++ b/fs/isofs/compress.c @@ -72,6 +72,17 @@ static int zisofs_readpage(struct file *file, struct page *page) offset = index & ~zisofs_block_page_mask; blockindex = offset >> zisofs_block_page_shift; maxpage = (inode->i_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; + + /* + * If this page is wholly outside i_size we just return zero; + * do_generic_file_read() will handle this for us + */ + if (page->index >= maxpage) { + SetPageUptodate(page); + unlock_page(page); + return 0; + } + maxpage = min(zisofs_block_pages, maxpage-offset); for ( i = 0 ; i < maxpage ; i++, offset++ ) { diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c index 3943a8905eb..9816293442a 100644 --- a/fs/jbd/journal.c +++ b/fs/jbd/journal.c @@ -697,13 +697,14 @@ fail: */ /** - * journal_t * journal_init_dev() - creates an initialises a journal structure + * journal_t * journal_init_dev() - creates and initialises a journal structure * @bdev: Block device on which to create the journal * @fs_dev: Device which hold journalled filesystem for this journal. * @start: Block nr Start of journal. * @len: Length of the journal in blocks. * @blocksize: blocksize of journalling device - * @returns: a newly created journal_t * + * + * Returns: a newly created journal_t * * * journal_init_dev creates a journal which maps a fixed contiguous * range of blocks on an arbitrary block device. diff --git a/fs/jbd/recovery.c b/fs/jbd/recovery.c index 2b8edf4d6ea..43bc5e5ed06 100644 --- a/fs/jbd/recovery.c +++ b/fs/jbd/recovery.c @@ -478,7 +478,7 @@ static int do_one_pass(journal_t *journal, memcpy(nbh->b_data, obh->b_data, journal->j_blocksize); if (flags & JFS_FLAG_ESCAPE) { - *((__be32 *)bh->b_data) = + *((__be32 *)nbh->b_data) = cpu_to_be32(JFS_MAGIC_NUMBER); } diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c index c6cbb6cd59b..2c9e8f5d13a 100644 --- a/fs/jbd/transaction.c +++ b/fs/jbd/transaction.c @@ -1426,7 +1426,8 @@ int journal_stop(handle_t *handle) return err; } -/**int journal_force_commit() - force any uncommitted transactions +/** + * int journal_force_commit() - force any uncommitted transactions * @journal: journal to force * * For synchronous operations: force any uncommitted transactions @@ -1903,13 +1904,12 @@ zap_buffer_unlocked: } /** - * void journal_invalidatepage() - * @journal: journal to use for flush... + * void journal_invalidatepage() - invalidate a journal page + * @journal: journal to use for flush * @page: page to flush * @offset: length of page to invalidate. * * Reap page buffers containing data after offset in page. - * */ void journal_invalidatepage(journal_t *journal, struct page *page, diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c index 146411387ad..5d0405a9e7c 100644 --- a/fs/jbd2/recovery.c +++ b/fs/jbd2/recovery.c @@ -535,7 +535,7 @@ static int do_one_pass(journal_t *journal, memcpy(nbh->b_data, obh->b_data, journal->j_blocksize); if (flags & JBD2_FLAG_ESCAPE) { - *((__be32 *)bh->b_data) = + *((__be32 *)nbh->b_data) = cpu_to_be32(JBD2_MAGIC_NUMBER); } diff --git a/fs/locks.c b/fs/locks.c index f36f0e61558..d83fab1b77b 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -1275,13 +1275,13 @@ out: EXPORT_SYMBOL(__break_lease); /** - * lease_get_mtime + * lease_get_mtime - get the last modified time of an inode * @inode: the inode * @time: pointer to a timespec which will contain the last modified time * * This is to force NFS clients to flush their caches for files with * exclusive leases. The justification is that if someone has an - * exclusive lease, then they could be modifiying it. + * exclusive lease, then they could be modifying it. */ void lease_get_mtime(struct inode *inode, struct timespec *time) { diff --git a/fs/namei.c b/fs/namei.c index 941c8e8228c..6b7a0eef409 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1364,13 +1364,13 @@ static int __lookup_one_len(const char *name, struct qstr *this, } /** - * lookup_one_len: filesystem helper to lookup single pathname component + * lookup_one_len - filesystem helper to lookup single pathname component * @name: pathname component to lookup * @base: base directory to lookup from * @len: maximum length @len should be interpreted to * - * Note that this routine is purely a helper for filesystem useage and should - * not be called by generic code. Also note that by using this function to + * Note that this routine is purely a helper for filesystem usage and should + * not be called by generic code. Also note that by using this function the * nameidata argument is passed to the filesystem methods and a filesystem * using this helper needs to be prepared for that. */ diff --git a/fs/romfs/inode.c b/fs/romfs/inode.c index 00b6f0a518c..3f13d491c7c 100644 --- a/fs/romfs/inode.c +++ b/fs/romfs/inode.c @@ -340,8 +340,9 @@ static struct dentry * romfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) { unsigned long offset, maxoff; - int fslen, res; - struct inode *inode; + long res; + int fslen; + struct inode *inode = NULL; char fsname[ROMFS_MAXFN]; /* XXX dynamic? */ struct romfs_inode ri; const char *name; /* got from dentry */ @@ -351,7 +352,7 @@ romfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) offset = dir->i_ino & ROMFH_MASK; lock_kernel(); if (romfs_copyfrom(dir, &ri, offset, ROMFH_SIZE) <= 0) - goto out; + goto error; maxoff = romfs_maxsize(dir->i_sb); offset = be32_to_cpu(ri.spec) & ROMFH_MASK; @@ -364,9 +365,9 @@ romfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) for(;;) { if (!offset || offset >= maxoff) - goto out0; + goto success; /* negative success */ if (romfs_copyfrom(dir, &ri, offset, ROMFH_SIZE) <= 0) - goto out; + goto error; /* try to match the first 16 bytes of name */ fslen = romfs_strnlen(dir, offset+ROMFH_SIZE, ROMFH_SIZE); @@ -397,23 +398,14 @@ romfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) inode = romfs_iget(dir->i_sb, offset); if (IS_ERR(inode)) { res = PTR_ERR(inode); - goto out; + goto error; } - /* - * it's a bit funky, _lookup needs to return an error code - * (negative) or a NULL, both as a dentry. ENOENT should not - * be returned, instead we need to create a negative dentry by - * d_add(dentry, NULL); and return 0 as no error. - * (Although as I see, it only matters on writable file - * systems). - */ - -out0: inode = NULL; +success: + d_add(dentry, inode); res = 0; - d_add (dentry, inode); - -out: unlock_kernel(); +error: + unlock_kernel(); return ERR_PTR(res); } diff --git a/fs/super.c b/fs/super.c index 010446d8c40..d0a941a4e62 100644 --- a/fs/super.c +++ b/fs/super.c @@ -556,11 +556,11 @@ out: } /** - * mark_files_ro + * mark_files_ro - mark all files read-only * @sb: superblock in question * - * All files are marked read/only. We don't care about pending - * delete files so this should be used in 'force' mode only + * All files are marked read-only. We don't care about pending + * delete files so this should be used in 'force' mode only. */ static void mark_files_ro(struct super_block *sb) diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c index 1fca381f0ce..1e7598fb978 100644 --- a/fs/ufs/balloc.c +++ b/fs/ufs/balloc.c @@ -315,8 +315,8 @@ static void ufs_change_blocknr(struct inode *inode, sector_t beg, } UFSD(" change from %llu to %llu, pos %u\n", - (unsigned long long)pos + oldb, - (unsigned long long)pos + newb, pos); + (unsigned long long)(pos + oldb), + (unsigned long long)(pos + newb), pos); bh->b_blocknr = newb + pos; unmap_underlying_metadata(bh->b_bdev, |