diff options
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/Locking | 2 | ||||
| -rw-r--r-- | Documentation/filesystems/caching/netfs-api.txt | 2 | ||||
| -rw-r--r-- | Documentation/filesystems/dax.txt | 5 | ||||
| -rw-r--r-- | Documentation/filesystems/f2fs.txt | 19 | ||||
| -rw-r--r-- | Documentation/filesystems/vfs.txt | 6 |
5 files changed, 24 insertions, 10 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index fe25787ff6d4..75d2d57e2c44 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -22,7 +22,7 @@ prototypes: struct vfsmount *(*d_automount)(struct path *path); int (*d_manage)(const struct path *, bool); struct dentry *(*d_real)(struct dentry *, const struct inode *, - unsigned int); + unsigned int, unsigned int); locking rules: rename_lock ->d_lock may block rcu-walk diff --git a/Documentation/filesystems/caching/netfs-api.txt b/Documentation/filesystems/caching/netfs-api.txt index aed6b94160b1..0eb31de3a2c1 100644 --- a/Documentation/filesystems/caching/netfs-api.txt +++ b/Documentation/filesystems/caching/netfs-api.txt @@ -151,8 +151,6 @@ To define an object, a structure of the following type should be filled out: void (*mark_pages_cached)(void *cookie_netfs_data, struct address_space *mapping, struct pagevec *cached_pvec); - - void (*now_uncached)(void *cookie_netfs_data); }; This has the following fields: diff --git a/Documentation/filesystems/dax.txt b/Documentation/filesystems/dax.txt index a7e6e14aeb08..3be3b266be41 100644 --- a/Documentation/filesystems/dax.txt +++ b/Documentation/filesystems/dax.txt @@ -63,9 +63,8 @@ Filesystem support consists of - implementing an mmap file operation for DAX files which sets the VM_MIXEDMAP and VM_HUGEPAGE flags on the VMA, and setting the vm_ops to include handlers for fault, pmd_fault, page_mkwrite, pfn_mkwrite. These - handlers should probably call dax_iomap_fault() (for fault and page_mkwrite - handlers), dax_iomap_pmd_fault(), dax_pfn_mkwrite() passing the appropriate - iomap operations. + handlers should probably call dax_iomap_fault() passing the appropriate + fault size and iomap operations. - calling iomap_zero_range() passing appropriate iomap operations instead of block_truncate_page() for DAX files - ensuring that there is sufficient locking between reads, writes, diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt index 273ccb26885e..13c2ff034348 100644 --- a/Documentation/filesystems/f2fs.txt +++ b/Documentation/filesystems/f2fs.txt @@ -164,6 +164,16 @@ io_bits=%u Set the bit size of write IO requests. It should be set with "mode=lfs". usrquota Enable plain user disk quota accounting. grpquota Enable plain group disk quota accounting. +prjquota Enable plain project quota accounting. +usrjquota=<file> Appoint specified file and type during mount, so that quota +grpjquota=<file> information can be properly updated during recovery flow, +prjjquota=<file> <quota file>: must be in root directory; +jqfmt=<quota type> <quota type>: [vfsold,vfsv0,vfsv1]. +offusrjquota Turn off user journelled quota. +offgrpjquota Turn off group journelled quota. +offprjjquota Turn off project journelled quota. +quota Enable plain user disk quota accounting. +noquota Disable all plain disk quota option. ================================================================================ DEBUGFS ENTRIES @@ -209,6 +219,15 @@ Files in /sys/fs/f2fs/<devname> gc_idle = 1 will select the Cost Benefit approach & setting gc_idle = 2 will select the greedy approach. + gc_urgent This parameter controls triggering background GCs + urgently or not. Setting gc_urgent = 0 [default] + makes back to default behavior, while if it is set + to 1, background thread starts to do GC by given + gc_urgent_sleep_time interval. + + gc_urgent_sleep_time This parameter controls sleep time for gc_urgent. + 500 ms is set by default. See above gc_urgent. + reclaim_segments This parameter controls the number of prefree segments to be reclaimed. If the number of prefree segments is larger than the number of segments diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index 73e7d91f03dc..5fd325df59e2 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -829,9 +829,7 @@ struct address_space_operations { swap_activate: Called when swapon is used on a file to allocate space if necessary and pin the block lookup information in memory. A return value of zero indicates success, - in which case this file can be used to back swapspace. The - swapspace operations will be proxied to this address space's - ->swap_{out,in} methods. + in which case this file can be used to back swapspace. swap_deactivate: Called during swapoff on files where swap_activate was successful. @@ -990,7 +988,7 @@ struct dentry_operations { struct vfsmount *(*d_automount)(struct path *); int (*d_manage)(const struct path *, bool); struct dentry *(*d_real)(struct dentry *, const struct inode *, - unsigned int); + unsigned int, unsigned int); }; d_revalidate: called when the VFS needs to revalidate a dentry. This |