diff options
Diffstat (limited to 'fs/jfs/inode.c')
-rw-r--r-- | fs/jfs/inode.c | 31 |
1 files changed, 10 insertions, 21 deletions
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c index 7bc906677b0d..6c04f5eda135 100644 --- a/fs/jfs/inode.c +++ b/fs/jfs/inode.c | |||
@@ -175,31 +175,22 @@ jfs_get_blocks(struct inode *ip, sector_t lblock, unsigned long max_blocks, | |||
175 | { | 175 | { |
176 | s64 lblock64 = lblock; | 176 | s64 lblock64 = lblock; |
177 | int rc = 0; | 177 | int rc = 0; |
178 | int take_locks; | ||
179 | xad_t xad; | 178 | xad_t xad; |
180 | s64 xaddr; | 179 | s64 xaddr; |
181 | int xflag; | 180 | int xflag; |
182 | s32 xlen; | 181 | s32 xlen; |
183 | 182 | ||
184 | /* | 183 | /* |
185 | * If this is a special inode (imap, dmap) | ||
186 | * the lock should already be taken | ||
187 | */ | ||
188 | take_locks = (JFS_IP(ip)->fileset != AGGREGATE_I); | ||
189 | |||
190 | /* | ||
191 | * Take appropriate lock on inode | 184 | * Take appropriate lock on inode |
192 | */ | 185 | */ |
193 | if (take_locks) { | 186 | if (create) |
194 | if (create) | 187 | IWRITE_LOCK(ip); |
195 | IWRITE_LOCK(ip); | 188 | else |
196 | else | 189 | IREAD_LOCK(ip); |
197 | IREAD_LOCK(ip); | ||
198 | } | ||
199 | 190 | ||
200 | if (((lblock64 << ip->i_sb->s_blocksize_bits) < ip->i_size) && | 191 | if (((lblock64 << ip->i_sb->s_blocksize_bits) < ip->i_size) && |
201 | (xtLookup(ip, lblock64, max_blocks, &xflag, &xaddr, &xlen, 0) | 192 | (!xtLookup(ip, lblock64, max_blocks, &xflag, &xaddr, &xlen, 0)) && |
202 | == 0) && xlen) { | 193 | xlen) { |
203 | if (xflag & XAD_NOTRECORDED) { | 194 | if (xflag & XAD_NOTRECORDED) { |
204 | if (!create) | 195 | if (!create) |
205 | /* | 196 | /* |
@@ -258,12 +249,10 @@ jfs_get_blocks(struct inode *ip, sector_t lblock, unsigned long max_blocks, | |||
258 | /* | 249 | /* |
259 | * Release lock on inode | 250 | * Release lock on inode |
260 | */ | 251 | */ |
261 | if (take_locks) { | 252 | if (create) |
262 | if (create) | 253 | IWRITE_UNLOCK(ip); |
263 | IWRITE_UNLOCK(ip); | 254 | else |
264 | else | 255 | IREAD_UNLOCK(ip); |
265 | IREAD_UNLOCK(ip); | ||
266 | } | ||
267 | return rc; | 256 | return rc; |
268 | } | 257 | } |
269 | 258 | ||