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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-25 17:11:13 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-25 17:11:13 -0800 |
commit | 29bd17af7d8ffc16bb5eb286947495c166ea826e (patch) | |
tree | 5c20c44b51bdb3573949d1dc23bc3d3927d759fa /fs/ocfs2/ocfs2_fs.h | |
parent | 2ba14a017a4ba8d2266316f481d4ad7400073d18 (diff) | |
parent | 2fe5c1d7eb88830b09c863a4b5b3279dc120f3af (diff) | |
download | linux-29bd17af7d8ffc16bb5eb286947495c166ea826e.tar.bz2 |
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: (31 commits)
ocfs2: clean up bh null checks
ocfs2: document access rules for blocked_lock_list
configfs: file.c fix possible recursive locking
configfs: dir.c fix possible recursive locking
configfs: Remove EXPERIMENTAL
ocfs2: bump version number
ocfs2/dlm: Clear joining_node on hearbeat node down
ocfs2: convert byte order of constant instead of variable
ocfs2: Update default cluster timeouts
ocfs2: printf fixes
ocfs2: Use generic_file_llseek
ocfs2: Safer read_inline_data()
ocfs2: Silence false lockdep warnings
[PATCH 2/2] ocfs2: cluster aware flock()
[PATCH 1/2] ocfs2: add flock lock type
ocfs2: Local alloc window size changeable via mount option
ocfs2: Support commit= mount option
ocfs2: Add missing permission checks
[PATCH 2/2] ocfs2: Implement group add for online resize
[PATCH 1/2] ocfs2: Add group extend for online resize
...
Diffstat (limited to 'fs/ocfs2/ocfs2_fs.h')
-rw-r--r-- | fs/ocfs2/ocfs2_fs.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 6ef876759a73..3633edd3982f 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -231,6 +231,20 @@ struct ocfs2_space_resv { #define OCFS2_IOC_RESVSP64 _IOW ('X', 42, struct ocfs2_space_resv) #define OCFS2_IOC_UNRESVSP64 _IOW ('X', 43, struct ocfs2_space_resv) +/* Used to pass group descriptor data when online resize is done */ +struct ocfs2_new_group_input { + __u64 group; /* Group descriptor's blkno. */ + __u32 clusters; /* Total number of clusters in this group */ + __u32 frees; /* Total free clusters in this group */ + __u16 chain; /* Chain for this group */ + __u16 reserved1; + __u32 reserved2; +}; + +#define OCFS2_IOC_GROUP_EXTEND _IOW('o', 1, int) +#define OCFS2_IOC_GROUP_ADD _IOW('o', 2,struct ocfs2_new_group_input) +#define OCFS2_IOC_GROUP_ADD64 _IOW('o', 3,struct ocfs2_new_group_input) + /* * Journal Flags (ocfs2_dinode.id1.journal1.i_flags) */ @@ -256,6 +270,14 @@ struct ocfs2_space_resv { /* Journal limits (in bytes) */ #define OCFS2_MIN_JOURNAL_SIZE (4 * 1024 * 1024) +/* + * Default local alloc size (in megabytes) + * + * The value chosen should be such that most allocations, including new + * block groups, use local alloc. + */ +#define OCFS2_DEFAULT_LOCAL_ALLOC_SIZE 8 + struct ocfs2_system_inode_info { char *si_name; int si_iflags; |