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Diffstat (limited to 'fs/gfs2/rgrp.c')
-rw-r--r--fs/gfs2/rgrp.c42
1 files changed, 21 insertions, 21 deletions
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index f602fb844951..b14e54b38ee8 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -159,13 +159,13 @@ static inline u8 gfs2_testbit(const struct gfs2_rbm *rbm, bool use_clone)
}
/**
- * gfs2_bit_search
+ * gfs2_bit_search - search bitmap for a state
* @ptr: Pointer to bitmap data
* @mask: Mask to use (normally 0x55555.... but adjusted for search start)
* @state: The state we are searching for
*
- * We xor the bitmap data with a patter which is the bitwise opposite
- * of what we are looking for, this gives rise to a pattern of ones
+ * We xor the bitmap data with a pattern which is the bitwise opposite
+ * of what we are looking for. This gives rise to a pattern of ones
* wherever there is a match. Since we have two bits per entry, we
* take this pattern, shift it down by one place and then and it with
* the original. All the even bit positions (0,2,4, etc) then represent
@@ -814,11 +814,11 @@ static int compute_bitstructs(struct gfs2_rgrpd *rgd)
bi = rgd->rd_bits + (length - 1);
if ((bi->bi_start + bi->bi_bytes) * GFS2_NBBY != rgd->rd_data) {
gfs2_lm(sdp,
- "ri_addr = %llu\n"
- "ri_length = %u\n"
- "ri_data0 = %llu\n"
- "ri_data = %u\n"
- "ri_bitbytes = %u\n"
+ "ri_addr=%llu "
+ "ri_length=%u "
+ "ri_data0=%llu "
+ "ri_data=%u "
+ "ri_bitbytes=%u "
"start=%u len=%u offset=%u\n",
(unsigned long long)rgd->rd_addr,
rgd->rd_length,
@@ -1188,7 +1188,7 @@ static void rgrp_set_bitmap_flags(struct gfs2_rgrpd *rgd)
/**
* gfs2_rgrp_go_instantiate - Read in a RG's header and bitmaps
- * @gh: the glock holder representing the rgrpd to read in
+ * @gl: the glock representing the rgrpd to read in
*
* Read in all of a Resource Group's header and bitmap blocks.
* Caller must eventually call gfs2_rgrp_brelse() to free the bitmaps.
@@ -1879,7 +1879,7 @@ static void try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked, u64 skip
*/
ip = gl->gl_object;
- if (ip || !gfs2_queue_delete_work(gl, 0))
+ if (ip || !gfs2_queue_verify_delete(gl, false))
gfs2_glock_put(gl);
else
found++;
@@ -1967,7 +1967,7 @@ static bool gfs2_rgrp_congested(const struct gfs2_rgrpd *rgd, int loops)
}
/**
- * gfs2_rgrp_used_recently
+ * gfs2_rgrp_used_recently - test if an rgrp has been used recently
* @rs: The block reservation with the rgrp to test
* @msecs: The time limit in milliseconds
*
@@ -1987,10 +1987,8 @@ static bool gfs2_rgrp_used_recently(const struct gfs2_blkreserv *rs,
static u32 gfs2_orlov_skip(const struct gfs2_inode *ip)
{
const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
- u32 skip;
- get_random_bytes(&skip, sizeof(skip));
- return skip % sdp->sd_rgrps;
+ return get_random_u32() % sdp->sd_rgrps;
}
static bool gfs2_select_rgrp(struct gfs2_rgrpd **pos, const struct gfs2_rgrpd *begin)
@@ -2306,7 +2304,7 @@ void gfs2_rgrp_dump(struct seq_file *seq, struct gfs2_rgrpd *rgd,
(unsigned long long)rgd->rd_addr, rgd->rd_flags,
rgd->rd_free, rgd->rd_free_clone, rgd->rd_dinodes,
rgd->rd_requested, rgd->rd_reserved, rgd->rd_extfail_pt);
- if (rgd->rd_sbd->sd_args.ar_rgrplvb) {
+ if (rgd->rd_sbd->sd_args.ar_rgrplvb && rgd->rd_rgl) {
struct gfs2_rgrp_lvb *rgl = rgd->rd_rgl;
gfs2_print_dbg(seq, "%s L: f:%02x b:%u i:%u\n", fs_id_buf,
@@ -2411,13 +2409,12 @@ static void gfs2_set_alloc_start(struct gfs2_rbm *rbm,
* @bn: Used to return the starting block number
* @nblocks: requested number of blocks/extent length (value/result)
* @dinode: 1 if we're allocating a dinode block, else 0
- * @generation: the generation number of the inode
*
* Returns: 0 or error
*/
int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks,
- bool dinode, u64 *generation)
+ bool dinode)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct buffer_head *dibh;
@@ -2477,10 +2474,13 @@ int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks,
rbm.rgd->rd_free -= *nblocks;
spin_unlock(&rbm.rgd->rd_rsspin);
if (dinode) {
+ u64 generation;
+
rbm.rgd->rd_dinodes++;
- *generation = rbm.rgd->rd_igeneration++;
- if (*generation == 0)
- *generation = rbm.rgd->rd_igeneration++;
+ generation = rbm.rgd->rd_igeneration++;
+ if (generation == 0)
+ generation = rbm.rgd->rd_igeneration++;
+ ip->i_generation = generation;
}
gfs2_trans_add_meta(rbm.rgd->rd_gl, rbm.rgd->rd_bits[0].bi_bh);
@@ -2584,8 +2584,8 @@ void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip)
gfs2_trans_add_meta(rgd->rd_gl, rgd->rd_bits[0].bi_bh);
gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);
- rgrp_unlock_local(rgd);
be32_add_cpu(&rgd->rd_rgl->rl_unlinked, -1);
+ rgrp_unlock_local(rgd);
gfs2_statfs_change(sdp, 0, +1, -1);
trace_gfs2_block_alloc(ip, rgd, ip->i_no_addr, 1, GFS2_BLKST_FREE);