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[GFS2] Shrink & rename di_depth

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This patch forms a pair with the previous patch which shrunk
di_height. Like that patch di_depth is renamed i_depth and moved
into struct gfs2_inode directly. Also the field goes from 16 bits
to 8 bits since it is also limited to a max value which is rather
small (17 in this case). In addition we also now validate the field
against this maximum value when its read in.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse
2008-02-01 09:23:44 +00:00
parent cf45b752c9
commit 9a0045088d
3 changed files with 25 additions and 22 deletions
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2
fs/gfs2/incore.h
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@@ -246,7 +246,6 @@ struct gfs2_dinode_host {
u64 di_generation; /* generation number for NFS */
u32 di_flags; /* GFS2_DIF_... */
/* These only apply to directories */
u16 di_depth; /* Number of bits in the table */
u32 di_entries; /* The number of entries in the directory */
u64 di_eattr; /* extended attribute block number */
};
@@ -267,6 +266,7 @@ struct gfs2_inode {
struct rw_semaphore i_rw_mutex;
u8 i_height;
u8 i_depth;
};
/*