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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-27 07:08:39 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-27 07:08:39 -0700
commit9db48aaf18d675ac41f550c9384154e0c00de2ef (patch)
tree70a19b9164c103e5f52dddff609e01672f8ef616 /Documentation/filesystems
parent0592969e73ae50ce6852d1aff3d222a335289094 (diff)
parentfea7a08acb13524b47711625eebea40a0ede69a0 (diff)
Merge 3.6-rc3 into driver-core-next
This picks up the printk fixes in 3.6-rc3 that are needed in this branch. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/filesystems')
-rw-r--r--Documentation/filesystems/Locking2
-rw-r--r--Documentation/filesystems/porting5
-rw-r--r--Documentation/filesystems/vfat.txt11
-rw-r--r--Documentation/filesystems/vfs.txt4
4 files changed, 13 insertions, 9 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index 0f103e39b4f6..e540a24e5d06 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -114,7 +114,6 @@ prototypes:
int (*drop_inode) (struct inode *);
void (*evict_inode) (struct inode *);
void (*put_super) (struct super_block *);
- void (*write_super) (struct super_block *);
int (*sync_fs)(struct super_block *sb, int wait);
int (*freeze_fs) (struct super_block *);
int (*unfreeze_fs) (struct super_block *);
@@ -136,7 +135,6 @@ write_inode:
drop_inode: !!!inode->i_lock!!!
evict_inode:
put_super: write
-write_super: read
sync_fs: read
freeze_fs: write
unfreeze_fs: write
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting
index 2bef2b3843d1..0742feebc6e2 100644
--- a/Documentation/filesystems/porting
+++ b/Documentation/filesystems/porting
@@ -94,9 +94,8 @@ protected.
---
[mandatory]
-BKL is also moved from around sb operations. ->write_super() Is now called
-without BKL held. BKL should have been shifted into individual fs sb_op
-functions. If you don't need it, remove it.
+BKL is also moved from around sb operations. BKL should have been shifted into
+individual fs sb_op functions. If you don't need it, remove it.
---
[informational]
diff --git a/Documentation/filesystems/vfat.txt b/Documentation/filesystems/vfat.txt
index ead764b2728f..de1e6c4dccff 100644
--- a/Documentation/filesystems/vfat.txt
+++ b/Documentation/filesystems/vfat.txt
@@ -137,6 +137,17 @@ errors=panic|continue|remount-ro
without doing anything or remount the partition in
read-only mode (default behavior).
+discard -- If set, issues discard/TRIM commands to the block
+ device when blocks are freed. This is useful for SSD devices
+ and sparse/thinly-provisoned LUNs.
+
+nfs -- This option maintains an index (cache) of directory
+ inodes by i_logstart which is used by the nfs-related code to
+ improve look-ups.
+
+ Enable this only if you want to export the FAT filesystem
+ over NFS
+
<bool>: 0,1,yes,no,true,false
TODO
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index 065aa2dc0835..2ee133e030c3 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -216,7 +216,6 @@ struct super_operations {
void (*drop_inode) (struct inode *);
void (*delete_inode) (struct inode *);
void (*put_super) (struct super_block *);
- void (*write_super) (struct super_block *);
int (*sync_fs)(struct super_block *sb, int wait);
int (*freeze_fs) (struct super_block *);
int (*unfreeze_fs) (struct super_block *);
@@ -273,9 +272,6 @@ or bottom half).
put_super: called when the VFS wishes to free the superblock
(i.e. unmount). This is called with the superblock lock held
- write_super: called when the VFS superblock needs to be written to
- disc. This method is optional
-
sync_fs: called when VFS is writing out all dirty data associated with
a superblock. The second parameter indicates whether the method
should wait until the write out has been completed. Optional.