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authorLinus Torvalds <torvalds@linux-foundation.org>2015-02-12 13:50:21 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-12 13:50:21 -0800
commit6bec0035286119eefc32a5b1102127e6a4032cb2 (patch)
tree440fab001b4c877b0b0c9fd62d8392e956e387e3 /fs/ubifs
parent5d8e7fb6916556e9b476de33404e8c9e2c9aee61 (diff)
parent15d0f5ea348b9c4e6d41df294dde38a56a39c7bf (diff)
downloadlinux-6bec0035286119eefc32a5b1102127e6a4032cb2.tar.bz2
Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
Pull backing device changes from Jens Axboe: "This contains a cleanup of how the backing device is handled, in preparation for a rework of the life time rules. In this part, the most important change is to split the unrelated nommu mmap flags from it, but also removing a backing_dev_info pointer from the address_space (and inode), and a cleanup of other various minor bits. Christoph did all the work here, I just fixed an oops with pages that have a swap backing. Arnd fixed a missing export, and Oleg killed the lustre backing_dev_info from staging. Last patch was from Al, unexporting parts that are now no longer needed outside" * 'for-3.20/bdi' of git://git.kernel.dk/linux-block: Make super_blocks and sb_lock static mtd: export new mtd_mmap_capabilities fs: make inode_to_bdi() handle NULL inode staging/lustre/llite: get rid of backing_dev_info fs: remove default_backing_dev_info fs: don't reassign dirty inodes to default_backing_dev_info nfs: don't call bdi_unregister ceph: remove call to bdi_unregister fs: remove mapping->backing_dev_info fs: export inode_to_bdi and use it in favor of mapping->backing_dev_info nilfs2: set up s_bdi like the generic mount_bdev code block_dev: get bdev inode bdi directly from the block device block_dev: only write bdev inode on close fs: introduce f_op->mmap_capabilities for nommu mmap support fs: kill BDI_CAP_SWAP_BACKED fs: deduplicate noop_backing_dev_info
Diffstat (limited to 'fs/ubifs')
-rw-r--r--fs/ubifs/dir.c2
-rw-r--r--fs/ubifs/super.c5
2 files changed, 1 insertions, 6 deletions
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index ea41649e4ca5..c49b1981ac95 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -108,8 +108,6 @@ struct inode *ubifs_new_inode(struct ubifs_info *c, const struct inode *dir,
inode->i_mtime = inode->i_atime = inode->i_ctime =
ubifs_current_time(inode);
inode->i_mapping->nrpages = 0;
- /* Disable readahead */
- inode->i_mapping->backing_dev_info = &c->bdi;
switch (mode & S_IFMT) {
case S_IFREG:
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 106bf20629ce..6197154f36ca 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -156,9 +156,6 @@ struct inode *ubifs_iget(struct super_block *sb, unsigned long inum)
if (err)
goto out_invalid;
- /* Disable read-ahead */
- inode->i_mapping->backing_dev_info = &c->bdi;
-
switch (inode->i_mode & S_IFMT) {
case S_IFREG:
inode->i_mapping->a_ops = &ubifs_file_address_operations;
@@ -2017,7 +2014,7 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent)
* Read-ahead will be disabled because @c->bdi.ra_pages is 0.
*/
c->bdi.name = "ubifs",
- c->bdi.capabilities = BDI_CAP_MAP_COPY;
+ c->bdi.capabilities = 0;
err = bdi_init(&c->bdi);
if (err)
goto out_close;